Image credits
Photos in our guides come from free image libraries. Thank you to the photographers below. Images do not imply endorsement by the authors or by any brand shown.
Powerboat helm with a chartplotter, speed and depth instrument displays and a compass
Roman Odintsov · source · Pexels License
Navigation station panel with stereo, VHF radio and remote battery switches for the start and house batteries
Craig Stanfill · source · CC BY-SA 2.0
Yellow AIS locating beacon with antenna and guarded TEST and ON buttons
S.J. de Waard · source · CC BY-SA 3.0
AIS display listing nearby vessels with range, bearing and name, plus own position, speed and course
Ulf Larsen · source · CC BY-SA 3.0
Aluminum blind (pop) rivet with a wide flange head and its pulling stem, before setting
Propshaft · source · Public domain
Small aluminum fishing boat with an outboard on calm water
Dsw4 · source · Public domain
Close-up of pitting corrosion holes in a piece of aluminum
Carlos Delgado · source · CC BY-SA 4.0
Riveted aluminum jon boat tied up in a covered slip
Michael Rivera · source · CC BY-SA 4.0
Rows of rivets along the hull and gunwale of an old riveted metal boat on a beach
Licht-aus · source · Pixabay Content License
End of an anchor chain held by a pinned release fitting on the wall of a ship's chain locker
Ciacho5 · source · CC BY-SA 3.0
Sailboats and motorboats spread out at anchor in a bay
RadishSlice · source · CC BY-SA 4.0
Plow-style anchor on a sailboat bow roller with chain
Rémi Kaupp · source · CC BY-SA 3.0
Stainless anchor stowed in the bow roller of a motor yacht at the dock
Arman Trabazo · source · Pexels License
Horizontal anchor windlass on a sailboat deck with chain over the gypsy and a warping drum on the other side
Remi Jouan · source · CC BY-SA 3.0
Coast Guard boat crew paying out a towline to a disabled boat
U.S. Coast Guard (Petty Officer 3rd Class Ryder Nollan) · source · Public domain
Heaving line thrown from a rescue boat to a disabled sailboat
U.S. Coast Guard (Andrew Krok) · source · Public domain
Tiller pilot mounted in the cockpit of a small sailboat
Ilmari Karonen · source · Public domain
Outboard-powered boat tied up in a harbor on a rainy autumn day, engine tilted up
Şahin Doğdu · source · Pexels License
Hand-operated diaphragm bilge pump mounted on a bulkhead, the last line of defense when electric pumps fail
Jbasic · source · CC BY-SA 4.0
Cruising ketch at anchor with its dinghy astern, seen from above
Norbert Velescu · source · Pexels License
DC breaker panel with labeled load breakers and a battery monitor showing state of charge and amp-hours remaining
Craig Stanfill · source · CC BY-SA 2.0
Battery cables entering a four-stroke outboard, with red rubber boots over the positive terminals at the starter and solenoids
PtiBzh · source · CC0 1.0
Heavy tinned copper cable lugs beside small ring, spade and ferrule terminals, with a ruler for scale
Mixabest · source · CC BY-SA 3.0
Small ring terminal, a tubular crimp lug and an old bolt-clamp battery cable terminal side by side
Ulfbastel · source · Public domain
High-current DC panel on a catamaran with fuse holders, a diode battery isolator, a battery switch and a remote battery switch
Craig Stanfill · source · CC BY-SA 2.0
Battery monitor shunt with two brass terminal blocks and a small sense-wire circuit board on top
S.J. de Waard · source · CC BY-SA 3.0
Open engine compartment of a twin gasoline inboard boat, with fire extinguishers under the hatch
Matti Blume · source · CC BY-SA 4.0
Gasoline V8 inboard engine seen from above inside its engine compartment
Hiro · source · CC BY-SA 4.0
Open bilge of a small fiberglass sailboat with a bilge pump and hoses between the floor frames
Kritzolina · source · CC BY-SA 4.0
Mesh-covered absorbent booms dark and saturated with oil after a spill cleanup
Greg Thompson, USFWS Southeast · source · Public domain
Snow piled on the deck and hatch of a boat kept at a marina through the winter
Skipper Michael · source · CC BY-SA 3.0
Small sailboat moored at its slip with the marina frozen around it
W.carter · source · CC BY-SA 4.0
Oil-only absorbent pads and rolls
KDEM · source · CC BY-SA 4.0
Rainbow oil sheen on the surface of a pond near the shore
Jomegat · source · CC BY-SA 3.0
Open bilge of a small sailboat with old blue bilge paint flaking off around the pump and hoses
Kritzolina · source · CC BY-SA 4.0
Water pouring overboard from a discharge opening in the side of a working boat's hull
Ana Hidalgo Burgos Burgos · source · Pexels License
Heat-shrink splice sleeve with sealing rings shrunk over a joint in stranded wire
wdwd · source · CC BY-SA 4.0
Electric submersible bilge pump with its wiring
S.J. de Waard · source · CC BY-SA 3.0
Automatic bilge pump float switch
S.J. de Waard · source · CC BY-SA 3.0
Stuffing box on a small boat's propeller shaft with the adjusting nut, locking nut and shaft log hose labeled
Wikialoft · source · Public domain
Water pouring overboard from a discharge opening in the side of a working boat's hull
Ana Hidalgo Burgos Burgos · source · Pexels License
Small motorboat with a white bimini top on a stainless frame
Posza Róbert · source · Pexels License
Red bimini top on a four-bow frame with front straps on a small center console
Rborroto · source · Public domain
Three blind (pop) rivets of different sizes
Jcmaco (English Wikipedia) · source · CC BY-SA 3.0
Rivet nut cut open lengthwise with a bolt threaded into it
Erik Wannee · source · CC BY-SA 4.0
Several types of spring and gravity toggle bolts
Tenbergen · source · CC BY-SA 3.0
Stainless boarding ladder bolted to the transom of a runabout, with grab handles on the deck above
Pjotr Mahhonin · source · CC BY-SA 4.0
Telescoping stainless stern ladder extended on a small outboard boat, mounted beside the motor
Matti Blume · source · CC BY-SA 4.0
Weathered wooden fishing boat with 'Vende-se' (for sale) painted on the bow
Ricardo Liberato · source · CC BY-SA 2.0
Sailboats and powerboats on moorings in Edgartown harbor
EgorovaSvetlana · source · CC BY-SA 4.0
Rows of small boats on trailers and trolleys under fitted blue covers in a boatyard
Jaggery · source · CC BY-SA 2.0
Small moored boat under a loose blue tarp with sagging low spots
Sandy B · source · CC BY-SA 2.0
Trailered boat under a tarp loaded with heavy snow
Petter Ulleland · source · CC BY-SA 4.0
Pickup truck hitched to a bowrider on a tandem-axle trailer
McChizzle · source · Public domain
Vinyl boat name lettering on the hull of a sailboat
Fran Zaina · source · Pexels License
Script boat name lettering on a weathered hull
Erik Mclean · source · Pexels License
Small aluminum fishing boat on a lake in thick morning fog
Forest Service Alaska Region, USDA · source · Public domain
Handheld canister air horn with a red trumpet on a pressurized can
Edvvc · source · CC BY-SA 3.0
Contractors walking a marina dock past boats that storm surge pushed ashore and onto the docks after Hurricane Ike
Greg Henshall / FEMA · source · Public domain
Two boat owners, seen from behind, looking at sailboats piled on mud and debris after a hurricane
Liz Roll / FEMA · source · Public domain
Boats stranded on land at a Bolivar Peninsula boatyard after Hurricane Ike
Chris Hoffpauir, U.S. Navy · source · Public domain
Rescue boat towing a small cabin cruiser to harbor after engine failure
Bengt Oberger · source · CC BY-SA 4.0
Center console boat raised on a piling-mounted boat lift
Miguel Delima · source · Pexels License
Heavily rusted wire cable wound on a winch drum
Jakob Schlothane · source · Pexels License
Basic desktop electronic calculator on a white background
Coyau · source · CC BY-SA 3.0
Boat name and hailing port lettered together on a sailboat hull, with storm-damaged boats behind
Saul McSween / U.S. Navy · source · Public domain
Covered boats left unattended in their slips at a lake marina
NPS Photo · source · Public domain
Boats left in the water for winter at an iced-over river marina
William Alden · source · CC BY-SA 2.0
Corded heat gun with high and low settings
Suyash Dwivedi · source · CC BY-SA 4.0
Small blue and white cabin boat on its trailer in a parking area with autumn trees behind
Michał Robak · source · Pexels License
Person pouring a bucket of water over a sailboat's teak deck to wash it
cottonbro studio · source · Pexels License
Accordion file folder full of papers and documents
Anete Lusina · source · Pexels License
Small powerboat stored ashore on adjustable screw-type boat stands
Laurent JULIEN · source · Pexels License
Empty screw-type boat stands linked with safety chains in a boatyard, Marina del Rey, California
Polylerus · source · CC BY-SA 3.0
Powerboats and sailboats in wet slips at a reservoir marina
National Park Service · source · Public domain
Multi-level dry stack boat storage building with boats on open racks
Eirian Evans · source · CC BY-SA 2.0
Sailboats on moorings in the Edgartown mooring field
EgorovaSvetlana · source · CC BY-SA 4.0
Coast Guard aerial view of a dive vessel that reported taking on water off California
U.S. Coast Guard · source · Public domain
Person working a manual bilge pump in a rowing boat, water discharging over the side
Joe Mabel · source · CC BY-SA 3.0
Wakulla County Tax Collector office in Crawfordville, Florida
The Bushranger · source · CC BY-SA 4.0
Aerial view of Marina del Rey, California, with rows of boats in slips
Unknown (public domain aerial photo) · source · Public domain
Small boat dealership lot with outboard boats on trailers behind a chain-link fence
Excel23 · source · CC BY-SA 4.0
Used cabin cruisers on stands for sale at a marina, with a listing board in front
Oast House Archive · source · CC BY-SA 2.0
USACE safety graphic: take a boater safety course and wear a life jacket
U.S. Army Corps of Engineers · source · Public domain
Capsized sailboat floating upside down among moored boats after high winds
Calistemon · source · CC BY-SA 4.0
Small aluminum fishing boat in thick morning fog on a lake
Forest Service Alaska Region, USDA · source · Public domain
Park ranger talks with a boater at the ramp during Operation Dry Water
Grand Teton NPS · source · Public domain
Propeller, shaft and rudder of a beached fishing boat, with a zinc anode bolted to the rudder
Kim Hansen · source · CC BY-SA 4.0
Sailboats hauled out on cradles in a boatyard, blue bottom paint visible below the waterline
Gunnar Ridderström · source · Pexels License
Flakes of old antifouling paint left on the ground after a hull was stripped
F. Lamiot · source · CC BY-SA 2.5
Professional blasting old bottom paint off a sailboat hull on a cradle
Soodapuhallus · source · Public domain
Flakes of old antifouling paint left on the ground after a hull was stripped
F. Lamiot · source · CC BY-SA 2.5
Boat trailer hand winch with webbing strap and hook running to the bow
Wualex · source · Public domain
Bow thruster tunnel opening in the hull of a small motor yacht hauled out on the hard
Nol Aders · source · CC BY-SA 3.0
Close-up of a bow thruster tunnel with its four-blade propeller
Nol Aders · source · CC BY-SA 3.0
Red nun buoy 2A, South Oyster Bay, New York
Joe Mabel · source · CC BY-SA 3.0
Green can buoy 13 leaning in the current, South Oyster Bay, New York
Joe Mabel · source · CC BY-SA 3.0
Half-sunk small cuddy motorboat swamped at its mooring
W.carter · source · CC BY-SA 4.0
Fenced vehicle storage lot with RVs and trailers behind a locked gate
Russell Sellers, Fort Rucker · source · Public domain
Pickup truck towing a travel trailer with a small fishing boat on a trailer behind it, parked at a highway rest area
DanTD · source · CC BY-SA 4.0
Large houseboat loaded on a lowboy trailer behind a semi truck, ready for transport
Sealle · source · CC BY-SA 3.0
A weathered white boat on a trailer parked in a backyard, with a spare tire lying under it
Joaquin Carfagna · source · Pexels License
Older fishing boat on a trailer with rusted wheel rims and faded paint
Howard Senton · source · Pexels License
Small aft sleeping cabin on a sailboat
Fparrel · source · CC BY-SA 3.0
Portable diesel forced-air heater whose label warns not to operate it indoors
MAbW · source · CC BY-SA 4.0
The four parts of a snap fastener: button, socket, eyelet and stud
Nate Wessel · source · CC BY-SA 4.0
Fabric bimini top on a stainless frame over a small open boat
Amina Bb · source · Pexels License
Red and white marine vinyl seats and helm chair on a runabout
Nadin Sh · source · Pexels License
Small open aluminum fishing boat with a tiller outboard and bench seats, tied at the shore
Dsw4 · source · Public domain
Small-engine carburetor taken apart: body, brass float, needle, jets and gasket
Alex Andrews · source · Pexels License
Hands turning a screw on a small carburetor with a screwdriver
Devesh Chander · source · Pexels License
Varnished teak deck on a sailboat cabin top with black caulked seams, a hatch and a deck block
cottonbro studio · source · Pexels License
Weathered gray teak cockpit deck with black caulked seams beside a binnacle compass
Stefan Götte · source · Public domain
Glossy boat bow with a blue stripe reflecting the calm water
wal_ 172619 · source · Pexels License
Digital multimeter with red and black test leads
Retired electrician · source · CC0 1.0
Boat propeller encrusted with zebra mussels from Lewis and Clark Lake, South Dakota
Sam Stukel, USFWS · source · Public domain
Park technicians hot-washing an aluminum boat and trailer at an aquatic invasive species station in Yellowstone
Jacob W. Frank, NPS (Yellowstone) · source · Public domain
Wyoming Game and Fish Clean, Drain, Dry sign with drying times and the inspection rule for boats entering the state
USFWS Mountain-Prairie · source · Public domain
Black braided dock line made fast on a deck cleat
Gunnar Ridderström · source · Pexels License
Mooring lines led through an oval hawse fairlead in the bulwark of a yacht
Roman Odintsov · source · Pexels License
Coolant hydrometer with a float, drawing coolant from an engine's expansion tank
Juandev · source · CC BY-SA 4.0
Freshwater-cooled marine diesel engine with its heat exchanger and coolant tank
S.J. de Waard · source · CC BY-SA 3.0
Modern V8 gasoline inboard engine seen from above, with an exhaust elbow and clamped exhaust hose on each side
Hiro · source · CC BY-SA 4.0
Older V8 marine engine in a boat with a cast exhaust manifold along the side turning up into an exhaust elbow
CZmarlin (Christopher Ziemnowicz), Rambler Ranch collection · source · CC BY-SA 4.0
Battery carbon monoxide alarm with a test button
Santeri Viinamäki · source · CC BY-SA 4.0
Houseboats and personal watercraft moored side by side at a marina
Larry Lockard / USFWS · source · Public domain
Small open aluminum center-console boat tied in a slip
Entheta · source · Public domain
Ball-valve seacock on a through-hull with its hose and a corroded hose clamp
PHGCOM · source · CC BY-SA 3.0
Small inflatable boat tied to a dock on a cold, snowy lake in winter
Simon Berger · source · Pexels License
Inflatable life jacket with its pull-to-inflate tab, and a personal locator beacon clipped to the chest
Petty Officer 2nd Class Nate Littlejohn, U.S. Coast Guard · source · Public domain
Compression gauge connected to an outboard with the cowling removed during an engine survey
Suenosazules · source · CC BY-SA 4.0
Handheld refractometer in its foam-lined case with a plastic sample pipette
CEphoto, Uwe Aranas · source · CC BY-SA 3.0
Cut-open heat exchanger pipe with a thick layer of scale narrowing the inside
Aleksandr Yurievich Lebedev · source · Public domain
Tube bundle of a large industrial shell-and-tube heat exchanger before assembly
Harald the Bard · source · CC BY-SA 4.0
Red and white marine vinyl seats and helm chair on a runabout
Nadin Sh · source · Pexels License
Old runabout with weathered, stained quilted vinyl seats
aboodi vesakaran · source · Pexels License
Hauled-out motor yacht showing propeller shafts, struts, propellers and rudders
Ertuğrul Togo · source · Pexels License
Ball-valve seacock on a through-hull with its hose and hose clamp, the spot where a softwood plug should be tied
PHGCOM · source · CC BY-SA 3.0
Two-part epoxy putty: resin and hardener lumps before mixing
Salil Kumar Mukherjee · source · CC BY-SA 4.0
Twin outboard lower units with stainless steel propellers on a boat stern at sunset
Stuart Reece · source · Pexels License
High-current DC panel on a catamaran with fuse blocks, labeled heavy cables, a battery isolator and battery switches
Craig Stanfill · source · CC BY-SA 2.0
Mooring line on a cleat fastened to a nonskid deck
Gunnar Ridderström · source · Pexels License
Center console of a rigid inflatable boat with a round screw-out deck plate set in the floor in front of the console
Enric Cruz López · source · Pexels License
Boat helm with a chartplotter/fish finder display, compass and other electronics
Maël Balland · source · Pexels License
Transom-mount depth transducer on its pivoting bracket, shown off the boat with its cable
Markus Bärlocher · source · CC0 1.0
Boats in rack storage at a waterfront marina, with a center-console boat on a trailer in front
Ella Wimer · source · Pexels License
Powerboat fully shrink-wrapped in white plastic, sitting on boat stands in a boatyard
Jean-Pierre Bazard · source · CC BY-SA 4.0
Shell-and-tube marine intercooler
C.moreaux · source · CC BY-SA 4.0
Cutaway of a forced-air diesel cabin heater showing the burner, combustion chamber and blower
S.J. de Waard · source · CC BY-SA 3.0
Cutaway of a diesel hydronic (water) heater with its coolant jacket and burner
S.J. de Waard · source · CC BY-SA 3.0
Diesel-powered tugboat leaving a trail of black exhaust smoke
Gu Bra · source · Pexels License
Jar of contaminated diesel with sediment settled at the bottom
MrCarter188 · source · CC BY-SA 4.0
Brown-black microbial sludge (diesel bug) filtered out of diesel fuel
Markchamilton · source · CC BY-SA 4.0
Inline diesel injection pump with a row of steel high-pressure fuel lines leaving its top, one per cylinder
Tennen-Gas · source · CC BY-SA 3.0
Two flare-nut (line) wrenches with partly closed ends that grip a tube nut on more sides than an open-end wrench
Gamsbart · source · CC BY-SA 3.0
Small marine diesel in a sailboat engine compartment
Libinia · source · CC BY-SA 4.0
Cutaway drawing of a shell-and-tube heat exchanger
Armchoir at Croatian Wikipedia · source · Public domain
Common-rail diesel injector
Panoha · source · CC BY-SA 3.0
Four-cylinder marine diesel engine in a boat's engine compartment
Cjp24 · source · CC BY-SA 4.0
New rubber raw-water pump impeller next to a failed one broken into pieces
Ein Dahmer · source · CC BY-SA 3.0
Raw-water pump taken apart, with its rubber impeller and cover plate
Captnshaw · source · CC BY-SA 3.0
Toothed rubber timing belt on a camshaft pulley of an engine with the cover removed
Logansenf · source · CC BY-SA 4.0
Volvo Penta D3 marine diesel with sterndrive on museum display
Mangan2002 · source · CC BY-SA 3.0
Marine diesel with its silver reverse gearbox bolted to the back of the engine
S.J. de Waard · source · CC BY-SA 3.0
Six-cylinder marine diesel with insulated turbocharger
S.J. de Waard · source · CC BY-SA 3.0
Sectioned diesel turbocharger
Tommi Nummelin · source · CC BY-SA 3.0
Marine diesel engine installed in a boat's engine compartment
Waka moana · source · CC BY-SA 4.0
Inflatable dinghy hanging from stern davits on a schooner
W.carter · source · CC BY-SA 4.0
Combination red and green bow light mounted on a stainless bow rail
Robert So · source · Pexels License
Gray inflatable dinghy with a small outboard and a state registration number on its bow, pulled up on a sandy beach
Brad Ivey · source · Pexels License
Dock line made fast to a dock cleat with a cleat hitch
BenFrantzDale · source · CC BY-SA 3.0
Motor yacht at a dock with cylindrical fenders hung along its side
Jean-Pierre Bazard Jpbazard · source · CC BY-SA 3.0
Crowded US yacht basin with names and home ports lettered on boat sterns
Jim Pickerell / National Archives (NARA) · source · Public domain
Classic schooner at anchor seen from astern, with its name and the hailing port Newport, R.I. lettered on the transom
Luciano Ramalho · source · CC BY-SA 4.0
Large power yachts berthed at the Palm Beach Town Docks, Florida
Vadim Sazanovich · source · CC BY-SA 4.0
Stern of the classic wooden motor yacht Big Dipper with its name and the hailing port Seattle lettered on the transom
Joe Mabel · source · CC BY-SA 3.0
Pickup backing a boat trailer down a launch ramp next to a courtesy dock on Lake Mead
Andrew Cattoir (Lake Mead National Recreation Area) · source · Public domain
Clean, dry engine room of a motor yacht with diamond-plate floor panels over the bilge
VERA IV · source · CC BY-SA 3.0
Hand-operated diaphragm bilge pump mounted on a bulkhead with its intake and discharge hoses
Jbasic · source · CC BY-SA 4.0
Two blade fuses side by side, one intact and one with a melted element
Cjp24 · source · CC BY-SA 3.0
Cutaway of a four-stroke EFI outboard showing the powerhead, wiring and fuel filter
Morio · source · CC BY-SA 3.0
Fuel rail with four injectors and a fuel pressure regulator
Ian Brockhoff · source · CC BY-SA 3.0
30 mA residual current breaker with a test button, the same job an ELCI does for a boat
Diermaier · source · CC0 1.0
GFCI outlet with test and reset buttons
Ben Kurtovic · source · CC BY-SA 4.0
Small furler drum and tack fitting on a bow, with the furled sail above
Fallaner · source · CC BY-SA 4.0
Lead screw and plastic drive nut inside an electric linear actuator
Orion Lawlor · source · CC BY-SA 3.0
Diagram of an electro-mechanical linear actuator: motor, threaded shaft, nut and sliding tube
Bcraig15 at English Wikipedia · source · Public domain
Tiller electric outboard with its lithium battery pack mounted on top of the shaft head, on a display stand
Bin im Garten · source · CC BY-SA 3.0
Electric outboard clamped to the transom of an inflatable boat, showing the shaft, motor pod and orange propeller
Jan Ainali · source · CC BY-SA 4.0
Red inflatable boats with small tiller outboards
Jan van der Wolf · source · Pexels License
Full-size toilet in the aft-cabin head of the sailing yacht Naga Pelangi
Christoph Swoboda · source · CC BY-SA 3.0
Diagram of a spring-return solenoid valve, closed with no power
Sparpo · source · CC BY-SA 4.0
Battery terminal and clamp covered in white and green corrosion
MarkBuckawicki · source · CC0 1.0
Stripped wire next to two crimped ring terminals
Hundehalter · source · CC BY-SA 3.0
Lengths of heat-shrink tubing in several colors
oomlout · source · CC BY-SA 2.0
Chartplotter/fishfinder screen at the helm showing a chart, speed and position
Peter Southwood · source · CC0 1.0
Helm with a steering wheel and two engine control levers, one for each engine
Thibault Om · source · Pexels License
Sterndrive and transom assembly on the stern of a boat on its trailer
Mlsguy0037 · source · Public domain
V6 sterndrive engine sitting on its mounts in the engine compartment
Poxnar · source · Public domain
Hand on the throttle lever of a side-mount control at a small boat's helm
Alina Zerkalii · source · Pexels License
Small folding grapnel-style anchor resting on a pile of chain on deck
Manuel Keusch · source · Pexels License
Orange ring life buoy hanging ready on a boat's rail over clear blue water
Mahmoud El Haiwan · source · Pexels License
Analog tachometer with a mechanical hour counter reading 772.9 hours
NSEasternShoreChemist · source · CC BY-SA 4.0
V-belt over a pump pulley on a small marine diesel, with the slotted adjusting bracket above
PHGCOM · source · CC BY-SA 3.0
Exposed engine on a longtail boat
Augustinus Martinus Noppé · source · Pexels License
Motorboat dashboard with engine gauges behind the steering wheel
Rosa Stone · source · Pexels License
Outboard gearcases tilted up, showing the slotted water intake grate on the side of the lower unit
Stuart Reece · source · Pexels License
Helm of a small motorboat with engine gauges, warning lights and a throttle lever
Brian Jesus · source · Pexels License
Marine engine gauges on display: water temperature, oil pressure, tachometer, warning lamps and hour meter
Bin im Garten · source · CC BY-SA 3.0
Open engine compartment of a twin gasoline inboard boat, with two red extinguisher cylinders clipped under the hatch lid
Matti Blume · source · CC BY-SA 4.0
Portable fire extinguisher held in a quick-release bracket aboard a boat
Kritzolina · source · CC BY-SA 4.0
Engine room of a preserved trawler with the main diesel in the center and large ventilation ducts running overhead
Rémi Kaupp · source · CC BY-SA 3.0
Cut-away diagram of a Dorade vent box: air turns down into the boat while water drops out and drains away on deck
Aaronx · source · CC0 1.0
Boat helm with steering wheel and engine gauges
Luis Yañez · source · Pexels License
Two-stroke outboard motor with the cowling removed, showing the powerhead
Grummelbacke · source · CC BY-SA 4.0
Float-free EPIRB sitting in its opened automatic-release housing
Marwan Mohamad · source · CC BY-SA 4.0
Hydrostatic release unit on a float-free EPIRB bracket, with month and year expiry stickers
12thave · source · CC BY-SA 3.0
Personal locator beacon fitted inside an inflatable life jacket
Addshore · source · CC BY-SA 3.0
Small fishing boat with red portable fuel tanks aboard
Jake Ryan · source · Pexels License
V8 marine engine with exhaust manifold and elbow in a small inboard boat
CZmarlin (Christopher Ziemnowicz) · source · CC BY-SA 4.0
V6 sterndrive engine in its bay with exhaust elbows and rubber exhaust hoses on each side
Poxnar · source · Public domain
Piston with a bent connecting rod from an engine that hydrolocked
MichaelXXLF · source · CC BY-SA 3.0
MerCruiser V6 sterndrive engine in its compartment, with an exhaust manifold and riser on each side
Poxnar · source · Public domain
Outboard motor repair shop crowded with motors awaiting service
Kolforn · source · CC BY-SA 4.0
Man working on a small outboard with its cowling off, mounted on an inflatable boat
Steve Hillebrand, U.S. Fish and Wildlife Service · source · Public domain
Two-part epoxy in a twin cartridge with a static mixing nozzle
Cjp24 · source · CC BY-SA 3.0
Wall-mounted dry chemical fire extinguisher with pressure gauge, locking pin, tamper seal and inspection tag
Brett_Hondow · source · Pixabay Content License
Small dry chemical extinguisher with a pressure gauge, held in a strap bracket
byrev · source · Pixabay Content License
Open compact first-aid kit with dressings, rescue blanket and instructions
Umberto NURS · source · CC BY-SA 4.0
Unfolded foil emergency blanket with its package
Firetwister · source · CC BY-SA 3.0
Fresh-caught fish on ice in a boat cooler after a day of fishing
Alinstpete · source · CC BY-SA 4.0
Covered fish cleaning station with sinks and hoses at a Georgia state park
Michael Rivera · source · CC BY-SA 4.0
Monofilament fishing line recycling tube at the Flamingo boat dock, Everglades National Park
NPS Photo / D. Diaz (Everglades National Park) · source · Public domain
Flame arrestor mesh visible inside the intake cover of a V8 marine engine
CZmarlin (Christopher Ziemnowicz), Rambler Ranch collection · source · CC BY-SA 4.0
Buoyant orange smoke distress signal canister, a day-only signal
Clipper · source · Public domain
Coast Guard crew member holding a burning red handheld flare at arm's length over the water during training
U.S. Coast Guard · source · Public domain
Small metal outboard fishing boat with bench seats
Milan Masnikosa · source · Pexels License
Aluminum jon boat with enclosed bench seats
JJonahJackalope · source · CC BY-SA 4.0
Flybridge motor yacht moored on a river, with the upper helm deck above the main cabin
Acabashi · source · CC BY-SA 4.0
Small flybridge cruiser on display: the upper deck with its rails and bimini sits on top of the cabin
Matti Blume · source · CC BY-SA 4.0
Wake boat swim platform covered with faux-teak traction pads cut in separate pieces with borders
Ron Lach · source · Pexels License
Gray faux-teak deck covering cut to fit each step and side deck of a motor yacht, with a border on every piece
Roman Odintsov · source · Pexels License
Small powerboats on trailers stored indoors for the winter, two under tarps
W.carter · source · CC BY-SA 4.0
Used spark plug removed from an engine, showing the threads and electrode
Slcreza · source · CC BY-SA 4.0
Small center-console boat with two fold-down seats on the console box
Rborroto · source · Public domain
Plain steel hinge rusted by salt air
Eric Magnan · source · CC BY-SA 4.0
Water running off a stainless steel outboard propeller
contratempo · source · Pixabay Content License
Outboard gearcase with its slotted water intake grate, where flush muffs must seal
Stuart Reece · source · Pexels License
Small galley on a sailing yacht with a two-burner stove and a stainless sink
Niklas Bildhauer · source · CC BY-SA 2.5
Land-based water pump with pressure switch and a large pressure tank with gauge
W.carter · source · CC BY-SA 4.0
Salon and galley of a sportfishing yacht, with the galley sink and faucet behind the counter
Mark Stebnicki · source · Pexels License
Heavily eroded shaft anode
Springnuts · source · CC BY-SA 4.0
Fuel dock with pumps and a runabout at Temple Bar Marina, Lake Mead
Andrew Cattoir, National Park Service · source · Public domain
Clear gasoline in a glass jar
Burger · source · Public domain
Bowrider tied up at a marina fuel dock next to the fuel pumps
Andrew Cattoir (Lake Mead National Recreation Area) · source · Public domain
Screw-band (worm-drive) hose clamps in several sizes
ArnoldReinhold · source · CC BY-SA 3.0
Aerial view of a motorboat on plane leaving a wide white wake
Ollie Craig · source · Pexels License
Screw-band (worm-drive) hose clamps in several sizes
ArnoldReinhold · source · CC BY-SA 3.0
Bowrider helm with analog gauges, a switch panel and a wooden steering wheel
andrewharkness · source · Pixabay Content License
Basic digital multimeter on its 200-ohm range showing a 1 at the left (open or over range)
1sfoerster · source · CC BY-SA 3.0
Screw-band (worm-drive) hose clamps in several sizes
ArnoldReinhold · source · CC BY-SA 3.0
Cylindrical electric fuel pump with inlet, outlet and electrical terminals
Raimond Spekking · source · CC BY-SA 4.0
Mechanical diaphragm fuel pump bolted to an engine
Sonett72 · source · Public domain
Harbor fuel pontoon
Ellie Burgin · source · Pexels License
Red portable fuel tanks with their fuel line inside a small fishing skiff
Jake Ryan · source · Pexels License
Red portable fuel tanks inside a small fishing skiff
Jake Ryan · source · Pexels License
Gloved hands drawing a fuel sample into a clear glass jar
Spc. Thomas Crough, U.S. Army · source · Public domain
Runabout tied up next to a marina fuel dock with gasoline pumps, Lake Mead
Andrew Cattoir, NPS (Lake Mead National Recreation Area) · source · Public domain
Screw-band (worm-drive) hose clamps in several sizes
ArnoldReinhold · source · CC BY-SA 3.0
Open engine compartment of a twin gasoline inboard boat, showing the low bilge between the engines
Matti Blume · source · CC BY-SA 4.0
Chrome deck fuel fill cap marked FUEL, screwed to a white fiberglass deck
bburnes · source · Pixabay Content License
Gloved hands drawing a fuel sample into a clear glass jar
Spc. Thomas Crough, U.S. Army · source · Public domain
Close-up of a blown blade fuse with its metal link melted through and darkened
A7N8X · source · CC BY-SA 3.0
Rows of color-coded blade fuses, one yellow fuse lifted out of the row
Maxi Gagliano · source · Pexels License
Two-burner non-pressurized alcohol stove next to the sink in a small sailing yacht galley
Niklas Bildhauer (Gerolsteiner91) · source · CC BY-SA 2.5
Catamaran galley with a smooth-top electric cooktop and a fire extinguisher mounted on the wall
Craig Stanfill · source · CC BY-SA 2.0
Marina power pedestal with a shore power cord running to a moored boat
Mariojan photo · source · CC BY-SA 4.0
Heavily eroded sacrificial anode on a propeller shaft
Springnuts · source · CC BY-SA 4.0
Gas strut holding open a hinged lid, with snap-on ball-socket ends and the rod end pointing down
Hedwig Storch · source · CC BY-SA 3.0
Simplified cutaway of a gas spring: rod, end cap, guide bushing, seal, cylinder, piston and restriction
Silberwolf · source · CC BY-SA 2.5
Analog tachometer with hour meter, oil pressure, water temperature and ammeter gauges
NPS · source · Public domain
Multimeter with test leads showing OL (open circuit)
Connor.delaney6 · source · CC BY-SA 3.0
Small outboard gearcase removed, with driveshaft, shift rod and water pump
Andshel · source · CC BY-SA 4.0
Top of a removed outboard gearcase: water pump, water tube, driveshaft and shift rod, with impeller
Andshel · source · CC BY-SA 4.0
Cutaway outboard lower unit showing the driveshaft, gears, prop shaft and bearing carrier
OutboardListings · source · CC BY-SA 4.0
Lower unit of a small outboard removed from the motor, with numbered driveshaft, water pump, gearcase, propeller and shift rod
Andshel · source · CC BY-SA 4.0
Fiberglass powerboat hull on stands in a boatyard, bottom freshly coated with masking tape along the waterline
Dmitrijs Safrans · source · Unsplash License
Weathered blue boat hull bottom with scrapes and worn areas along the keel and strakes
Jan van der Wolf · source · Pexels License
Compact self-contained marine air conditioning unit installed under a berth, with copper seawater coil and hoses
Craig Stanfill · source · CC BY-SA 2.0
120-volt AC panel on a boat with an AC voltmeter, branch breakers and a GEN / OFF / SHORE source selector
Craig Stanfill · source · CC BY-SA 2.0
Compact marine diesel generator with its sound-shield cover open, showing the engine, alternator, hoses and fuel filter
S.J. de Waard · source · CC BY-SA 3.0
Carbon monoxide alarm with power/test-reset button, alarm and fault lights and a 'move to fresh air' instruction
Sideroxylon · source · Public domain
Diesel generator set on display: engine with insulated turbo and air filter on the left, generator end on the right, both on a frame with flexible mounts
S.J. de Waard · source · CC BY-SA 3.0
Marine gasoline generator set with its sound-shield side panel removed, showing the engine, alternator and control panel
S.J. de Waard · source · CC BY-SA 3.0
Raw-water intake seacock with hose attached, handle across the valve (closed)
PHGCOM · source · CC BY-SA 3.0
Flybridge motor yacht moored in the harbour of Zadar, Croatia
Matti Blume · source · CC BY-SA 4.0
Two large roll-stabilizing gyroscopes being installed in the transport USS Henderson, 1917
Unknown author · source · Public domain
Satellite view of a blue-green algae bloom across western Lake Erie, August 2019
NASA GSFC MODIS Land Rapid Response Team · source · Public domain
Opening portlight swung open, showing its frame and dogs
Ahmet Polat · source · Pexels License
Manual marine toilet with its pump handle, on display in a maritime museum
Ciacho5 · source · CC BY-SA 3.0
A worm-drive hose clamp
Alinkins · source · CC BY-SA 4.0
Aft cabin of a sailboat with a smooth white molded liner overhead and along the hull side
Fparrel · source · CC BY-SA 3.0
Sailboats on Dillon Reservoir, a high mountain lake in Colorado
Dicklyon · source · CC BY-SA 4.0
Motorboat on Lake Powell under a towering cumulus cloud
NPS staff · source · Public domain
Pinless moisture meter held flat against a board
Hrco · source · CC BY-SA 4.0
Dockside pump-out station with its hose, beside a harbor with moored boats
Neil Owen · source · CC BY-SA 2.0
Tube-shaped mud nest built by a mud dauber wasp on a brick wall
Keenan Pepper · source · CC BY-SA 2.0
Three worm-drive hose clamps with perforated bands
EddiRumpf · source · CC BY-SA 4.0
Yellow zinc-plated worm clamp with a perforated band and a wire-type clamp, hardware-store styles not suited to boats
Staubkörnchen · source · CC BY-SA 3.0
Row of sailboats on stands in a boatyard with their bottoms exposed for inspection
Theologos Christodoulou · source · Pexels License
Sailboat hauled out on yard stands with its underwater hull exposed
Erik Mclean · source · Pexels License
Glossy, freshly polished boat bow reflecting the sky
Mark Stebnicki · source · Pexels License
Wooden trawler hauled out on stands with three new sacrificial anodes on a plate below the waterline
Jpbazard Jean-Pierre Bazard · source · CC BY-SA 3.0
Digital multimeter with red and black test leads on a wooden table
Alexey Demidov · source · Pexels License
Outboard propeller and gearcase completely encrusted with zebra mussels
National Park Service (via USFWS) · source · Public domain
Small fiberglass center-console boat on its trailer, with a black rub rail along the hull-to-deck joint
Willis Jim, U.S. Fish and Wildlife Service · source · Public domain
Colored wrap film being stretched over a car fender, with a heat gun on the floor
Victorcgcia · source · CC BY-SA 4.0
Storm clouds over small boats moored in a harbor
Denitsa Kireva · source · Pexels License
Sailboats piled against each other at a Pensacola marina after Hurricane Ivan (2004)
U.S. Navy photo by Harry White · source · Public domain
Helm of a small powerboat with steering wheel and gauges
Atlantic Ambience · source · Pexels License
Galley of a classic wooden motor yacht with sink, counters and stove
Joe Mabel · source · CC BY-SA 3.0
Ice forming on the evaporator fingers inside a compact ice maker
Pannet · source · CC BY-SA 4.0
Gasoline V8 inboard engine seen from above in its enclosed engine compartment, with wiring, pumps and hoses around it
Hiro · source · CC BY-SA 4.0
Bowrider helm with analog gauges, a lower switch panel and a wooden steering wheel
andrewharkness · source · Pixabay Content License
Carbureted V8 inboard marine engine with spark plug wires and distributor
CZmarlin (Christopher Ziemnowicz), Rambler Ranch collection · source · CC BY-SA 4.0
Open motorboats kept in the water at a jetty, with their outboards tilted up out of the water
W.carter · source · CC0 1.0
Marine electric drive motor standing on four flexible mounts, each a rubber block on a metal base with a threaded stud and adjusting nuts
S.J. de Waard · source · CC BY-SA 3.0
Gray inflatable dinghy with a small outboard pulled up on a gravel shore
Александр Бумажкин · source · Pexels License
Dirty, weathered inflatable boat tube resting on rocks
Berna · source · Pexels License
Yellow inflatable life jacket fully inflated aboard a boat, with the red oral inflation tube and numbered repacking folds visible
Matthieu FAURE · source · CC BY-SA 2.0
Uninflated self-inflating life jacket worn over a shirt with the waist belt fastened
Fernost · source · Public domain
Dew-covered spider web strung between metal rails
Natalia Sevruk · source · Pexels License
Old mud dauber wasp nest with open exit holes, stuck to a flat painted surface
Ryan Hodnett · source · CC BY-SA 4.0
Paper wasp on a small, open, umbrella-shaped paper nest
Erick González González · source · Pexels License
Blue travel lift straddling the haul-out slip at a marina
silviu rarau · source · Pexels License
Assorted stainless screw-band hose clamps
ArnoldReinhold · source · CC BY-SA 3.0
Pontoon boat with vinyl lounge seating, deck flooring and a bimini top at a lakeshore
Wake Riderz Boat Rental Lake Austin · source · CC BY-SA 4.0
High-current DC panel on a catamaran with fuse holders, a battery isolator and a red battery switch
Craig Stanfill · source · CC BY-SA 2.0
Sailboat cockpit enclosure seen from inside, side panels open
Rübenkopf · source · CC BY-SA 4.0
Sailboat dodger with clear vinyl windows
Drewlambert02 · source · CC BY-SA 3.0
Marina power pedestal with shore power cords running to boats on both sides of a dock
Back_ache · source · CC BY-SA 4.0
Cross-section diagram of a simple isolation transformer with separate primary and secondary windings on a magnetic core
Constant314 · source · CC0 1.0
Bass boat running on a river with its outboard mounted on the stern, two shallow-water anchors stowed upright and a bow trolling motor stowed
Tom Fisk · source · Pexels License
Jet-drive boat running at speed in open water
W. Bulach · source · CC BY-SA 4.0
Small jet boat and a separate jet unit on display, showing the steering nozzle and reverse bucket at the stern
Bahnfrend · source · CC BY-SA 4.0
Small sailboat with an auxiliary outboard on a stern bracket
Jean-Pierre Bazard · source · CC BY-SA 3.0
Cruising catamaran with two small outboards hung below its stern deck
Alan Fryer · source · CC BY-SA 2.0
Small kicker outboard mounted right beside a larger main outboard
Rennbootarchiv Schulze · source · CC BY-SA 3.0
Life jacket loaner station with child and youth life jackets hanging on a rack by a lake
GrandTetonNPS · source · Public domain
Life jacket loaner station with small life jackets and a ring buoy on a wooden rack
RickObst · source · CC BY-SA 4.0
Operator at the wheel of a small open powerboat, seen from behind
Gaspar Zaldo · source · Pexels License
5 MPH area speed limit, no wake sign on the water near Freeport, NY
Joe Mabel · source · CC BY-SA 4.0
SUV with a boat trailer backed down a launch ramp into the water
Helena Jankovičová Kováčová · source · Pexels License
Drain, Clean, Dry invasive species sign at a boat launch
USFWS Mountain Prairie · source · Public domain
Aerial view of a car backed into the water with the boat floating free of its trailer
Rockwell branding agency · source · Pexels License
Pickup and pontoon boat at a public launch ramp with a courtesy dock
Michael Rivera · source · CC BY-SA 4.0
Yachts at a marina in Annapolis at night, several lit with colored accent lighting
Attie Heunis · source · Pexels License
Lit RGB LED strip lights in clear sleeves with a wall-mounted color controller
Maksym Kozlenko · source · CC BY-SA 4.0
Handheld marine VHF radio showing channel 6 and a volume bar, held at a vessel's rail over the water
Ulflarsen · source · CC BY-SA 3.0
Lightning bolts striking the sea at night
Morteza Akhnia · source · Pexels License
Sailboat mast with rigging and masthead instruments against a blue sky
David Rado · source · Pexels License
Large LiFePO4 cells joined with busbars, with battery-management sense wires on top
Yo-Co-Man · source · CC BY-SA 4.0
Graph of resting voltage versus stored energy for a 12-volt (4-cell) LiFePO4 battery
Thomas Appel · source · CC BY-SA 4.0
Minnesota DNR boat launch signs about stopping aquatic invasive species
Tony Webster · source · CC BY 2.0
Bass boats with outboards gathered on the Potomac River at the start of a tournament
LaVonda Walton, U.S. Fish and Wildlife Service · source · Public domain
Boat helm console with engine gauges, switches and binoculars
rois martin · source · Pexels License
Twin-spark ignition coil and plug wires on an outboard powerhead
Andshel · source · CC BY-SA 4.0
Battery bank and bulkhead-mounted electrical equipment in a boat's machinery space
WhoIsHayley · source · CC BY-SA 4.0
Outboard lower unit and propeller tilted up out of the water
Andshel · source · CC BY-SA 3.0
Cutaway of an outboard lower unit showing the bevel gears and propeller shaft inside the gearcase
OutboardListings · source · CC BY-SA 4.0
Engine tachometer with a built-in hour meter reading 772.9 hours (on a tractor)
NSEasternShoreChemist · source · CC BY-SA 4.0
Hand-pumped marine toilet on display, with the pump and handle beside the bowl
Ciacho5 · source · CC BY-SA 3.0
Inlet and outlet valves with hoses for a boat toilet
Ein Dahmer · source · CC BY-SA 4.0
Marina office on a floating dock with boat slips, Elk Creek Marina
NPS Photo · source · Public domain
Motor yachts docked side by side in a marina
Clarence Gaspar · source · Pexels License
Seawater intake valve on a through-hull with hose attached, handle in the closed position
PHGCOM · source · CC BY-SA 3.0
12-volt lead-acid battery with removable cell caps
Thomas Wydra · source · Public domain
Marine toilet (head) and sink in the washroom of a sailing catamaran
Wbartoszy · source · CC BY-SA 3.0
Marina pump-out station for emptying a boat holding tank
S.J. de Waard · source · CC BY-SA 3.0
Portable cooler in the bow of a small fishing boat
Ellie Burgin · source · Pexels License
Galley counter on a cruising catamaran with stainless refrigerator and freezer drawers below
Craig Stanfill · source · CC BY-SA 2.0
Stainless drawer-style refrigerator/freezer under the galley counter of a cruising catamaran
Craig Stanfill · source · CC BY-SA 2.0
Teak deck with black seam compound between the planks and bronze deck fittings set into it
Jan van der Wolf · source · Pexels License
Coaxial speakers in several sizes showing frames, mounting tabs and magnets
Ildar Sagdejev (Specious) · source · CC BY-SA 3.0
Deck boat with a wakeboard tower and bimini
McChizzle · source · Public domain
Weatherproof horn speaker bolted to a boat with rust starting at the mount
Frank Vincentz · source · CC BY-SA 3.0
Boat 120-volt AC panel with a breaker labeled Water Heater and a shore/generator selector
Craig Stanfill · source · CC BY-SA 2.0
Galley of a cruising catamaran with a sink and faucet fed by the boat's hot and cold water system
Craig Stanfill · source · CC BY-SA 2.0
Shelf cloud of an approaching thunderstorm over Dumfoundling Bay, Miami-Dade County, Florida
David Vergel · source · CC BY-SA 4.0
Waterspout touching the sea surface off the Florida Keys, seen from an aircraft
Dr. Joseph Golden, NOAA · source · Public domain
Trailer sailboat with its mast lowered for the road, parked under overhead utility wires
Doğan Alpaslan Demir · source · Pexels License
Heel of a deck-stepped mast sitting in its mast step, with the mast wiring running down to the deck
Jeuwre · source · CC BY-SA 4.0
Folding stainless boarding ladder at a small boat's stern
Matti Blume · source · CC BY-SA 4.0
Orange ring buoy with line on a boat railing
W.carter · source · CC BY-SA 4.0
Ring buoy with line and attached light on a ship railing
Workman · source · CC BY-SA 4.0
Upholstered settee and cushions inside a yacht cabin by a window
ROMAN ODINTSOV · source · Pexels License
Sailboats stored for winter under fitted covers, seen from above
Tom Fisk · source · Pexels License
Small motor cruiser tied to a floating dock with lines and fenders
Ein Dahmer · source · CC BY-SA 4.0
Two orange teardrop fenders hanging against a moored vessel's hull
W.carter · source · CC BY-SA 4.0
Boat console with rod holders, a fish finder mounting bracket, antenna bases and a speaker fastened to it
Jonathan Cooper · source · Pexels License
Center console skiff with fish finder, flush rod holders and cleats
Craig Adderley · source · Pexels License
Combined red and green sidelight mounted on the bow pulpit of a sailboat
W.carter · source · CC BY-SA 4.0
Lit white all-round stern light on a pole at the stern of a small outboard boat underway at dusk
Bill Kuykendall (U.S. National Archives) · source · Public domain
Hull identification plate fixed to the starboard side of a transom
PtiBzh · source · CC0 1.0
Lighted green channel buoy at dusk with a line of shore lights behind it
David Dixon · source · CC BY-SA 2.0
NMEA 2000 micro T-connector next to a male drop cable plug
Wbartoszy · source · CC BY-SA 4.0
Old, rusty spark plugs removed from an engine
the iop · source · Pexels License
Molded non-skid deck with smooth gelcoat border and stainless rail
Luca Musella · source · Pexels License
Swim platform with teak-pattern traction pads
Roman Odintsov · source · Pexels License
Gas V8 inboard engine in a boat's engine compartment
Hiro · source · CC BY-SA 4.0
Adding fresh engine oil through a funnel
Dvortygirl · source · CC BY-SA 3.0
Oil dipstick wiped on a clean shop towel to read the oil
Dvortygirl · source · CC BY-SA 3.0
Backlit rack of labeled lube oil sample bottles in a ship's engine room
Chris Hunkeler · source · CC BY-SA 2.0
Four-stroke outboard powerhead with the cowling off, showing the yellow oil dipstick handle
reverent · source · Pixabay Content License
Oil analysis lab report (German, car engine) with five samples, flagged fuel dilution and trend charts
Hermannk · source · Public domain
Rescue boat towing a disabled cabin cruiser on a long line across a calm bay
Bengt Oberger · source · CC BY-SA 4.0
Battery bank and bulkhead-mounted charging equipment in a boat's machinery space
WhoIsHayley · source · CC BY-SA 4.0
Portable fire extinguisher in a quick-release bracket on a boat
Kritzolina · source · CC BY-SA 4.0
Socket set with two ratchets, extensions and bits in a metal case
Pittigrilli · source · CC BY-SA 4.0
Assorted stainless screw-band hose clamps
ArnoldReinhold · source · CC BY-SA 3.0
Row of small boats with outboard motors tilted up at a dock
W.carter · source · CC0 1.0
Outboard powerhead with the top cowl removed
PtiBzh · source · CC0 1.0
Older small outboard motor tilted on the transom of a boat, showing the clamp and swivel bracket
W.carter · source · CC BY-SA 4.0
Grease fitting (zerk) on a pivot casting
Markus Schweiss · source · CC BY-SA 3.0
Twin outboard gearcases with stainless propellers and bare anti-ventilation plates above them
Stuart Reece · source · Pexels License
Outboard lower unit with the flat anti-ventilation plate above the propeller
Ra Boe · source · CC BY-SA 3.0
Small outboard clamped to a transom, with the clamp bracket and steering link visible
Cjp24 · source · CC BY-SA 3.0
Small outboard tilted up on the transom of a wooden boat, showing the clamp bracket and midsection
Daniel Wells · source · Pexels License
Small skiff with a clamp-on outboard on the transom
Jake Ryan · source · Pexels License
Four-stroke outboard with the cowling off, showing the yellow dipstick handle and the oil filter
reverent · source · Pixabay Content License
Waste oil collection tanks under a WASTE OIL sign at a recycling center
P Flannagan · source · CC BY-SA 2.0
Unpainted zinc anode bolted to a painted hull bottom near the propeller shaft
Rémi Kaupp · source · CC BY-SA 3.0
Weathered small outboard tilted up with cracked, worn paint and a corroded propeller
Nuno Fangueiro · source · Pexels License
Small skiff on a trailer with a 20 hp outboard on its transom, gearcase reaching below the hull bottom
Jimcameron · source · CC BY-SA 3.0
Small vintage outboard on a display rail showing the clamp bracket, the shaft and the flat anti-ventilation plate above the propeller
Bin im Garten · source · CC BY-SA 3.0
Small skiff on a trailer behind a car with its tiller outboard tilted up
Jimcameron · source · CC BY-SA 3.0
Outboard tilted up showing gearcase and prop
Robert So · source · Pexels License
Outboard lower unit with propeller, prop nut and anti-ventilation plate, on a trailered boat
Ra Boe · source · CC BY-SA 3.0
Sportfishing boats at a marina with their outrigger poles raised
Ein Dahmer · source · CC BY-SA 4.0
Rubber water pump impeller for an outboard engine
LittleGun · source · CC BY-SA 3.0
Cruising powerboat on a semi trailer with an Oversize Load banner and corner flags
Oleg Yunakov · source · CC BY-SA 4.0
Basic digital multimeter with test leads, showing the DC amps range and 10A jack
Ahnaf Piash · source · Pexels License
Orange life jackets stowed in the overhead of a passenger boat, ready to hand out
Paul Munhoven · source · CC BY-SA 3.0
Portable fire extinguisher in its bracket on a boat
Kritzolina · source · CC BY-SA 4.0
Fishing charter boats docked at Whale Harbor Marina, Islamorada, Florida
U.S. National Archives (NARA) · source · Public domain
Pontoon deck with helm seat, lounge seating and floor covering
Natalia Ailatan · source · Unsplash License
Notched adhesive spreader (trowel)
Romate · source · CC BY-SA 3.0
Two pontoon boats with bimini tops, lounge seating and fence rails tied at a dock
Tümay Hasret · source · Pexels License
Red and cream marine vinyl boat seats under a canvas top
Diana · source · Pexels License
Hydraulic bottle jack with its pump handle socket, the kind used under a wide board to lift one side of a pontoon a little at a time
Rasbak · source · CC BY-SA 3.0
Small pontoon boat with a blue canopy tied to a dock, its aluminum tubes visible under the deck
Petra Nesti · source · Pexels License
Welders working on an aluminum boat hull in a boat factory
Mikasarkijarvi · source · CC0 1.0
Pontoon boat under way with its outboard on the stern pod
Casey Calhoun · source · Unsplash License
Pontoon boat with a canopy near a sandy beach on the Chesapeake Bay
liljulier (Flickr) · source · CC BY-SA 2.0
Heavily eroded sacrificial anode clamped on a propeller shaft
Springnuts · source · CC BY-SA 4.0
Pontoon boat pulled up on a lake shore, showing its aluminum tubes
Wake Riderz Boat Rental Lake Austin · source · CC BY-SA 4.0
Pontoon boat tied up at a floating dock, sitting level in the water
Michael Rivera · source · CC BY-SA 4.0
Red plastic gas can being filled while it sits on the pavement at a gas station
Famartin · source · CC BY-SA 4.0
Small portable outboard clamped on the transom of a white rowboat
Ivan Vi · source · Pexels License
Portable dinghy outboard stowed on a stern rail bracket of a sailboat
Çağın KARGI · source · Pexels License
Small blue-tiled chemical toilet disposal building beside a canal towpath, with moored narrowboats alongside
N Chadwick · source · CC BY-SA 2.0
Portable toilet dump station with rinse hoses at the marina in Faaborg, Denmark
Elgaard · source · CC BY-SA 4.0
Sailboats and floating docks pushed ashore by storm surge
Walter Jennings / FEMA · source · Public domain
Sailboat afloat with storm debris on deck, boats thrown ashore behind it, after Hurricane Ike
Liz Roll / FEMA · source · Public domain
Heat-shrink splice sleeve with sealing rings shrunk over a joint in stranded wire
wdwd · source · CC BY-SA 4.0
Inboard V8 marine engine in a boat's engine compartment, surrounded by hoses and wiring
CZmarlin (Christopher Ziemnowicz), Rambler Ranch collection · source · CC BY-SA 4.0
Two hydraulic hoses joined by crimped metal hose ends and an adapter
Jstapko · source · CC BY-SA 3.0
Vertical anchor windlass with chain on a powerboat foredeck
Tennen-Gas · source · CC BY-SA 3.0
Self-tailing sailboat winch with line wrapped on the drum
MacFarlaneW · source · CC BY-SA 3.0
Row of small skiffs at a dock, each with a tiller outboard and a red portable fuel tank with its fuel line
ghcassel · source · Pixabay Content License
Waterfront homes with private docks and boat lifts
Curtis Adams · source · Pexels License
Small covered boat at a private dock with a cord running from a dock post
Petra Nesti · source · Pexels License
Cavitation erosion along the blade edges of a personal watercraft impeller
Erik Axdahl · source · CC BY-SA 2.5
Outboard tilted up on a boat transom, showing the propeller and the anti-ventilation plate above it
Wikisympathisant · source · CC BY-SA 4.0
Gas stove burner with a ring of blue flame and a tall orange flame rising from one side
Nadin Sh · source · Pexels License
Propane cylinders: a 20 lb tank, a badly rusted tank, and a tank with a regulator and hose
Hustvedt · source · CC BY-SA 3.0
Stainless jet-pump impeller with pitted, eaten-away blade edges from cavitation erosion
Erik Axdahl · source · CC BY-SA 2.5
Weathered three-blade propeller under the hull of a boat hauled out on a beach
Marian Sol Miranda · source · Pexels License
Stainless steel outboard propeller whose rubber hub has failed and crumbled inside the barrel
Mark.murphy · source · CC BY-SA 3.0
Stainless steel propellers on the lower units of twin outboards
Stuart Reece · source · Pexels License
Stainless steel propellers on the lower units of twin outboard engines
Stuart Reece · source · Pexels License
Outboard lower unit with propeller, prop nut and anti-ventilation plate, on a trailered boat
Ra Boe · source · CC BY-SA 3.0
Marina travel lift with lifting slings, used for short hauls during surveys
~riley · source · CC BY-SA 3.0
Open engine compartment of a two-stroke personal watercraft with the seat removed, showing the battery, cables and spark plug wires
Andshel · source · CC BY-SA 3.0
Personal watercraft nosed into the shallows at the edge of a foggy beach
Moussa Idrissi · source · Pexels License
Personal watercraft resting on the bunks of a single-axle trailer
MKFI · source · Public domain
Stand-up jet ski from behind with the steering nozzle at the bottom
Hyperduc · source · CC BY-SA 4.0
Personal watercraft floating at rest, nobody aboard
Norbert Nagel · source · CC BY-SA 3.0
Eurasian watermilfoil invasive species warning sign at a boat launch
Fungus Guy · source · CC BY-SA 3.0
Personal watercraft tied up at a floating dock
Qeis Ismail · source · Pexels License
Orange WARNING label on a personal watercraft about injuries from the jet thrust nozzle
Coolcaesar at English Wikipedia · source · Public domain
Blue personal watercraft resting on a beach at the waterline
黃 培滿 · source · Pexels License
Open engine compartment of an older two-stroke personal watercraft with the seat removed
Andshel · source · CC BY-SA 3.0
Personal watercraft moored off a beach in clear salt water
Norbert Nagel · source · CC BY-SA 3.0
Blue personal watercraft sitting in the shallow surf at the shoreline
黃 培滿 · source · Pexels License
Pickup truck backing personal watercraft on a trailer down a launch ramp into the water
Andrew Cattoir (Lake Mead National Recreation Area) · source · Public domain
A good blade fuse next to a blown one with a broken element
Cqdx · source · CC BY-SA 3.0
Small open-array radar antenna with a protective guard hoop mounted on a sailboat mast
Jean-Pierre Bazard · source · CC BY-SA 3.0
Radome on a mast bracket of a sailing catamaran, with a deck light underneath
Craig Stanfill · source · CC BY-SA 2.0
Open-array radar on a mast bracket of a fishing boat, with antennas above
W.carter · source · CC BY-SA 4.0
Pickup truck backing a pontoon boat down a concrete ramp, Lake Blackshear, Georgia
Michael Rivera · source · CC BY-SA 4.0
Vintage station wagon with a small outboard boat on a trailer at the Perry Lake ramp, Kansas
U.S. Army Corps of Engineers · source · Public domain
Aft end of a mainsail boom with color-coded reef lines tied at their anchor points and the topping lift leading up
Craig Stanfill · source · CC BY-SA 2.0
Bowrider tied up at a marina fuel dock next to the gas pump
Andrew Cattoir (Lake Mead National Recreation Area, NPS) · source · Public domain
Red portable fuel tanks and a gas can sitting loose in a small fishing skiff
Jake Ryan · source · Pexels License
Center console with a top-mount single-lever throttle and shift control
Hamzeh Omari · source · Pexels License
Hand on a single-lever shift and throttle control
Mehmet Ali Turan · source · Pexels License
Old outboards and removed inboard engines stored in a marine workshop
Luis Quintero · source · Pexels License
Helm with twin engine control levers, engine gauges and multifunction displays
Thibault Om · source · Pexels License
Motorboat running a channel past a red nun buoy, Long Creek, New York
Joe Mabel · source · CC BY-SA 3.0
Motorboat shrink-wrapped and stored ashore on stands for the winter
Jean-Pierre Bazard Jpbazard · source · CC BY-SA 4.0
Sailboat under mainsail with its headsail rolled up on the roller furler along the forestay
Michael Zimmermann · source · CC BY-SA 3.0
Bronze roller furler drum at the tack of a furled headsail, with the red furling line leading off the drum
Pierre (PARIS) · source · CC BY-SA 2.0
Three-strand nylon rope partway through a splice
David J. Fred · source · CC BY-SA 3.0
Eye splice in three-strand rope with tucks complete
Rasbak · source · CC BY-SA 3.0
Sailmaker's whipping on a manila rope end
Dudelidou · source · CC BY-SA 3.0
Hauled-out sailboat showing a spade rudder in front and a bulb keel behind
Bladestop · source · CC BY-SA 3.0
Plastic compression cable gland with its sealing insert and locknut
Leotard · source · CC0 1.0
Electrician's fish tape on a red reel with the hooked end pulled out
Lucius Kwok · source · CC BY-SA 2.0
Coiled braided sheets and halyards on a sailboat cockpit winch
Christian Palau · source · Pexels License
Uncovered hollow single-braid Dyneema line with a frayed end
Justsail · source · CC BY-SA 3.0
Zinc sacrificial anode bolted to the underside of a boat hull near the propeller shaft
Rémi Kaupp · source · CC BY-SA 3.0
Hull anode marked do not paint on a fishing boat out of the water
Jean-Pierre Bazard · source · CC BY-SA 3.0
Worn sacrificial anode on a yacht propeller shaft
Springnuts · source · CC BY-SA 4.0
Mainsail stowed in a blue zip-up cover on the boom of a catamaran at the dock
Craig Stanfill · source · CC BY-SA 2.0
Sailboat under sail with a genoa that has an orange UV protection strip along the leech and foot
Pline · source · CC BY-SA 3.0
Stainless chainplate fitting bolted to a sailboat deck, with the sealant line visible around its base
Prillen · source · CC BY-SA 3.0
Upper and lower lifelines along a sailboat's side deck, held by stanchions and running forward to the bow pulpit
Matthieu FAURE · source · CC BY-SA 2.0
Stainless steel chainplate bolted through the deck of a sailboat, shroud removed
Prillen · source · CC BY-SA 3.0
Sailboat mast with shrouds and stays seen from the deck
Kassandre Pedro · source · Pexels License
Roller furler drum at the base of a sailboat's forestay
Craig Stanfill · source · CC BY-SA 2.0
Two rigging turnbuckles with toggles and clevis pins attached to deck chainplates
Sastognuti · source · CC BY-SA 3.0
Two rigging turnbuckles with toggles and clevis pins attached to deck chainplates
Sastognuti · source · CC BY-SA 3.0
Chrome sailboat winch with a sheet wrapped around the drum and a winch handle in the top
Jeuwre · source · CC BY-SA 4.0
Self-tailing sailboat winch with handle fitted and the line led through the self-tailing jaws
Beth Fitzpatrick · source · Pexels License
Saildrive leg and propeller under the hull of a sailboat hauled out ashore
Nol Aders · source · CC BY-SA 3.0
Three-bladed bronze folding propeller with its blades open, boat hauled out
Arrivisto · source · CC0 1.0
Lower units of twin outboards with stainless steel propellers, out of the water by the sea
Stuart Reece · source · Pexels License
Four-stroke outboard with the cowling off, showing the powerhead
reverent · source · Pixabay Content License
Dozens of sailboats stacked against each other along a marina wall after Hurricane Ivan
Harry White / U.S. Navy · source · Public domain
Burned-out and rusting wrecked boats sitting on the mud in a tidal boatyard
Simon Burchell · source · CC BY-SA 4.0
Head compartment of a sailing catamaran with marine toilet and sink
Wbartoszy · source · CC BY-SA 3.0
Cross-section of a pipe narrowed by a thick mineral scale crust
Aleksandr Lebedev · source · Public domain
Handheld 406 MHz personal locator beacon
NASA Goddard/Rebecca Roth · source · Public domain
Top of a 406 MHz EPIRB showing the test button and activation instructions
Marwan Mohamad · source · CC BY-SA 4.0
Aerial view of a small outboard-powered boat underway, leaving a wide white wake
Ilia Tassin · source · Pexels License
Hand on a boat's throttle lever next to the helm gauges
Jean-Paul Wettstein · source · Pexels License
Full-keel sailboat hauled out and supported on boat stands in a boatyard
Johantheghost · source · CC BY-SA 3.0
Ball valve threaded onto a through-hull inside a boat, with its hose held by a single hose clamp
PHGCOM · source · CC BY-SA 3.0
Cabin cruiser hauled out and blocked on stands in a boatyard
Paparazzi Ratzfatzzi · source · Pexels License
Bronze gate valves with round red handwheels on the toilet intake and discharge hoses of a pleasure boat
Ein Dahmer · source · CC BY-SA 4.0
Bowrider bow seating with vinyl cushions
Ecki · source · CC BY-SA 3.0
Polyurethane foam before and after reticulation
Silverchemist · source · CC0 1.0
V-belt over a pump pulley on a small marine diesel, with the slotted adjusting bracket above
PHGCOM · source · CC BY-SA 3.0
Small two-cylinder marine diesel in a sailboat with its V-belt running from the crankshaft pulley to the alternator
PHGCOM · source · CC BY-SA 3.0
Bass boat seen from astern with two shallow-water anchors stowed upright on each side of the outboard
Raynnier Gómez · source · Pexels License
Hand on a side-mount shift and throttle lever at the helm of a runabout
Alina Zerkalii · source · Pexels License
Hand on a twin-lever engine control at a boat helm
Gu Ko · source · Pexels License
Fixed-mount DSC VHF radio with red distress button and external speaker on a boat bulkhead
Fanny Schertzer · source · CC BY-SA 2.5
Marine SSB radiotelephone mounted under a shelf aboard a vessel
Petty Officer 1st Class Nico Figueroa, U.S. Coast Guard · source · Public domain
Sailboat on a low-loader truck with its mast lowered and strapped on deck
Billy McCrorie · source · CC BY-SA 2.0
Truck-mounted crane lowering a boat in slings onto a flatbed transport trailer
David Martin · source · CC BY-SA 2.0
Center-console helm with a cushioned seat on a fixed box base
Hamzeh Omari · source · Pexels License
Angler on a pedestal seat on the bow deck of a fishing boat
Kelly Sikkema · source · Unsplash License
Pedestal helm chair bolted to the deck on a round base plate, beside the wheel and throttle
Craig Stanfill · source · CC BY-SA 2.0
Failed household plug cut open, showing charred plastic and blackened wire around one contact
Phiarc · source · CC BY-SA 4.0
Shore power pedestals along a dock at Silver Lake, Ocracoke, North Carolina
Cape Hatteras National Seashore (NPS) · source · Public domain
Boats plugged into a marina power pedestal with cords running to their inlets
Back_ache · source · CC BY-SA 4.0
Overheated power plug with discolored, corroded pins and a cracked housing
Phiarc · source · CC BY-SA 4.0
Boat connected to a dockside shore power box with a yellow power cord
Ein Dahmer · source · CC BY-SA 4.0
Shore power pedestal on a dock with cords plugged in to the boats
Back_ache · source · CC BY-SA 4.0
Aerial view of sailboats in winter storage under blue covers and wrap
Tom Fisk · source · Pexels License
Trimaran fully shrink-wrapped in white film in a boatyard
Jean-Pierre Bazard · source · CC BY-SA 4.0
Small center-console fishing boat with a fishfinder display at the helm, rods and an outboard on the transom
Boris Hamer · source · Pexels License
Side-scan sonar image of a shipwreck on the seafloor, with dark acoustic shadows behind the raised structure
NOAA / U.S. Coast Guard · source · Public domain
Sleeping cabin on a cruising catamaran
Craig Stanfill · source · CC BY-SA 2.0
Ceiling-mounted smoke detector
Georg Pik · source · CC0 1.0
Rigid solar panel mounted on the bimini frame above a sailboat cockpit
Lena Netkach · source · Pexels License
Converted tug yacht with a rigid solar panel on the wheelhouse roof
Dennis G. Jarvis · source · CC BY-SA 2.0
Weathered bronze cowl vent on the wooden deck of a classic sailboat
Remi Jouan · source · CC BY-SA 3.0
Cut-away diagram of a dorade box: air passes through to the cabin while water is trapped and drains out on deck
Aaronx · source · CC0 1.0
Diagram of a wide 60 degree and a narrow 20 degree sonar beam under a boat
Baba66 · source · CC0 1.0
Side imaging screen showing a shipwreck to both sides with a 75 ft range scale
Spence Trust Inc. · source · CC BY-SA 3.0
New spark plug lying on graph paper
Schumi4ever · source · CC BY-SA 4.0
A worn spark plug with rounded electrodes facing a new spark plug, with other plugs around them
A7N8X · source · CC BY-SA 4.0
Two heavily worn spark plugs with deposits and eroded electrodes, seen from the side and the end
A7N8X · source · CC BY-SA 3.0
Rotor-type speed sensor under a small boat's hull with some marine growth
Rémi Kaupp · source · CC BY-SA 3.0
Two blade fuses side by side, one intact and one with a melted element
Cjp24 · source · CC BY-SA 3.0
Manually aimed marine searchlight on a pedestal mount, with its glass lens and power cord
Olaf Kosinsky · source · CC BY-SA 3.0
Polished stainless cleat and rail on a yacht deck
Roman Odintsov · source · Pexels License
Rust bleeding from mismatched bolts on a stainless plate
D3j4vu · source · CC BY-SA 3.0
Cables entering an enclosure through sealed plastic cable glands
Prosthetic Head · source · CC BY-SA 4.0
Starter motor with its solenoid mounted on top
Willdre · source · CC BY-SA 3.0
Aluminum fishing boat with its outboard motor tilted up at a dock
Antranias · source · Pixabay Content License
Portable plastic fuel tanks with fuel lines in a small fishing boat
Jake Ryan · source · Pexels License
Homebuilt stitch-and-glue plywood hull upside down in a workshop
Lämpel · source · CC BY-SA 2.0
Hull identification plate on a transom
PtiBzh · source · CC0 1.0
Hands holding red and black multimeter probes on the wiring terminals of an electric motor
Bulat843 · source · Pexels License
Helm and steering wheel of a small outboard-powered boat
Beraka Tula Gambundji · source · Pexels License
Steering wheel on a tilt helm with a rubber boot covering the tilt joint
Ron Lach · source · Pexels License
Two wake boats on trailers seen from the stern, with tower-mounted speakers
Matti Blume · source · CC BY-SA 4.0
Marine box speaker mounted under a boat's roof frame
Grandmaster Huon · source · CC0 1.0
Stereo wiring harness plugs with colored power, memory and speaker wires
Petter73 · source · CC BY-SA 2.5
Sterndrive leg supported on a wooden dolly behind the transom, prop off, gimbal housing and trim cylinders visible
Fabartus · source · CC BY-SA 3.0
Pitting corrosion eaten into an aluminum part
Carlos Delgado · source · CC BY-SA 4.0
Runabout anchored in shallow salt water off a sandy beach
Ehsan Akhlaghi · source · Pexels License
MerCruiser Alpha sterndrive on a trailered boat
Mlsguy0037 · source · Public domain
Twin sterndrive V8 engines under an open engine hatch, with belt-driven accessories at the front
Matti Blume · source · CC BY-SA 4.0
Volvo Penta Duoprop sterndrive with twin counter-rotating propellers, painted with antifouling, on a boat out of the water
Maxfahrer · source · CC BY-SA 3.0
Powerboats stored on tall dry-stack racks at a fenced boat storage facility
Jordiferrer · source · CC BY-SA 4.0
Older fiberglass sailboat dried out on a beach while its owners work on the hull
Lauren Boswell · source · Pexels License
Diagram of fiberglass spray lay-up: mold, release agent, gelcoat layer, then glass-and-resin laminate
LaurensvanLieshout · source · CC BY-SA 3.0
Stuffing box on a small boat's propeller shaft with the adjusting nut, locking nut and shaft log hose labeled
Wikialoft · source · Public domain
Coil of braided square compression packing (gland packing)
Miya.m · source · CC BY-SA 3.0
Small boat swamped at a lakeshore with its outboard sitting in the water
Iqbal farooz · source · Pexels License
Small portable outboard clamped to the transom of a rowboat
Jan van der Wolf · source · Pexels License
Catamaran head with a shower whose removable floor panel covers the shower sump
Craig Stanfill · source · CC BY-SA 2.0
Boat head with a shower whose removable floor panel covers the shower sump
Craig Stanfill · source · CC BY-SA 2.0
Teak-covered stern swim platform with stainless handrails, seen from aboard while underway
Laura Stanley · source · Pexels License
Small outboard boat on a trailer with a stainless transom boarding ladder mounted beside the outboard
Matti Blume · source · CC BY-SA 4.0
Synthetic teak samples in different plank colors and caulk line colors
Durateakpeter · source · CC BY-SA 4.0
Prefabricated synthetic teak deck panel with black caulk lines, laid on a shop floor
Durateakpeter · source · CC BY-SA 4.0
Wet teak deck planks with black caulking seams on a sailboat
cottonbro studio · source · Pexels License
Light, unoiled teak foredeck on a sailboat
Çisel Bozar · source · Pexels License
Houseboat with a runabout tied alongside, anchored in a Lake Powell canyon
Greg Schaefer · source · Public domain
Swim ladder mounted on a small boat's transom right beside the outboard
Matti Blume · source · CC BY-SA 4.0
Small boat on a trailer parked beside a wooden fence
Leon Lawrence · source · Pexels License
Trailer secured with a yellow wheel clamp
GeorgHH · source · Public domain
Gasoline inboard engine in a boat's engine compartment, seen from above
Hiro · source · CC BY-SA 4.0
New engine cooling thermostat, shown from both sides
Hoikka1 · source · CC BY-SA 3.0
Small fishing boat on the hard with freshly painted red and white topsides
Richard West · source · CC BY-SA 2.0
Small motorboat towing an inflatable tube with two riders on open water
kallerna · source · CC BY-SA 3.0
Wakeboard rope and handle held by a rider in a life vest
Ron Lach · source · Pexels License
Pickup backed down a launch ramp with its rear wheels in the water, Callville Bay, Lake Mead
Andrew Cattoir (Lake Mead National Recreation Area) · source · Public domain
Cutaway of a rear differential showing the ring gear with a traction (limited-slip) unit inside
RB30DE · source · CC BY-SA 3.0
Pickup truck backing a boat trailer into the water at a launch ramp
Andrew Cattoir (Lake Mead National Recreation Area) · source · Public domain
Class III receiver hitch with a 7-pin blade trailer connector
McChizzle · source · Public domain
Bicycle puncture repair kit with rubber patches, rubber solution and tire levers (wrong kit for a vinyl tube bladder)
Björn Appel · source · CC BY-SA 3.0
Aerial view of a motorboat towing two inflatable tubes through a curving wake
Lio Voo · source · Pexels License
Two wake boats on trailers with towers carrying speakers and board racks
Matti Blume · source · CC BY-SA 4.0
Pickup with a small runabout on its trailer at a lakeside launch
Kuan Lu · source · Pexels License
Class III receiver hitch with rating label on the cross tube and a 7-pin trailer connector
McChizzle · source · Public domain
Tapered roller bearing cones and a race removed from a wheel hub
SkyMWard · source · CC BY-SA 3.0
Tandem-axle boat trailer wheels under a shared fender
Wualex · source · Public domain
Center-console boat on a single-axle trailer
أولو الألباب · source · Pexels License
Tandem axles under the fender of a boat trailer
Wualex · source · Public domain
Tandem-axle boat trailer with aluminum fenders
Wualex · source · Public domain
U-bolts and clamp plates holding a trailer axle tube to the frame
Wualex · source · Public domain
Cuddy cabin boat on a tandem-axle aluminum trailer
Pixels s · source · Pexels License
Factory receiver hitch with a 7-way trailer connector beside it
CZmarlin (Christopher Ziemnowicz) · source · Public domain
Hand winch with strap and hook on a galvanized boat trailer
Wualex · source · Public domain
Post-style guide-on with a black roller beside an aluminum boat on its trailer
Wualex · source · Public domain
Empty roller boat trailer backed into the water at a pebble beach, its wheel and hub half submerged
Павел Хлыстунов · source · Pexels License
Wheel hub with the dust cap off, showing the spindle nut, its locking retainer and cotter pin, and rusty lug nuts
Polyparadigm · source · CC BY-SA 3.0
Galvanized trailer tongue hitched to a vehicle: coupler on the hitch ball, wiring plugged in and the tongue jack's caster wheel on the ground
Holger Jakobs · source · CC BY-SA 3.0
Badly rusted trailer coupler and safety chains resting on a wooden block
PublicDomainPictures · source · Pixabay Content License
Combination tail light with turn signal, brake light and reflector on a trailer frame
Ehsnils · source · CC BY-SA 3.0
Tow vehicle receiver hitch with a 7-pin blade trailer socket mounted beside it
McChizzle · source · Public domain
Wheel hub with the grease cap off: spindle nut, locking retainer and cotter pin, and one lug nut missing
Polyparadigm · source · CC BY-SA 3.0
Surge brake coupler on a trailer tongue
Ehsnils · source · CC BY-SA 3.0
Small boat on a single-axle trailer parked on grass by a lake
Mina Başer · source · Pexels License
DOT tire identification number with the four-digit date code
Chrismeraz · source · CC BY-SA 4.0
Utility trailer tire worn to the cords from severe underinflation
CZmarlin (Christopher Ziemnowicz) · source · Public domain
Tapered roller bearing and its outer race, cleaned and lightly greased for inspection
User:SkyMWard · source · CC BY-SA 3.0
Fishing boat on a single-axle trailer parked on a street
David Guerrero · source · Pexels License
SUV hitched to a small cabin boat on its trailer near the water
Helena Jankovičová Kováčová · source · Pexels License
Aluminum fishing boat on its trailer under a fitted cover held down with straps under the hull
babylass · source · Pixabay Content License
Weathered transom of an older boat on its trailer, with an outboard mounted through a notch in the transom
David McElwee · source · Pexels License
Pinless moisture meter held flat against a wood board
Hrco · source · CC BY-SA 4.0
Row of small boats at a dock with their outboards tilted up out of the water
W.carter · source · CC0 1.0
Sterndrive on a trailered boat showing the trim cylinders and the gimbal housing on the transom
Mlsguy0037 · source · Public domain
Outboard motor tilted fully up on a moored boat, trim and tilt unit visible below the motor
Şahin Doğdu · source · Pexels License
Twin sterndrives tilted up on a race boat, with hydraulic cylinders, polished rams, hoses and fittings at the transom
Rennbootarchiv · source · CC BY-SA 3.0
Speedboat running on plane on a river, seen from above
Eyes2Soul Eyes2Soul · source · Pexels License
Outboard motor tilted up on a small boat resting on a wooden slipway
Erik Mclean · source · Pexels License
Outboard tilted fully up, with the power trim/tilt unit (rams and fluid reservoir) between the transom brackets
Matti Blume · source · CC BY-SA 4.0
Small fishing boat at a dock with a transom-mount trolling motor tilted up and its battery box in the stern
John Robertson · source · Pexels License
Bass boat with a bow-mount trolling motor stowed on the bow while anglers fish from the deck
Serena Koi · source · Pexels License
Angler fishing from the bow of a bass boat with the bow-mount trolling motor deployed
Tom Fisk · source · Pexels License
Small transom-mount electric trolling motor on an inflatable boat with its battery in a box
NJR ZA · source · Public domain
12-volt trolling motor with its red and black battery leads
NJR ZA · source · Public domain
Twin-lever engine control at a boat helm, one lever and red knob for each engine
Wijs (Wise) · source · Pexels License
Stainless propellers on twin outboards, with the size and RH rotation stamped on the prop
Stuart Reece · source · Pexels License
Three-cylinder two-stroke outboard with the cowling off, showing its translucent oil injection tank
Andshel · source · CC BY-SA 4.0
Glass of premixed two-stroke fuel tinted by the oil dye next to a glass of plain gasoline
Andshel · source · CC BY-SA 4.0
Two glasses of gasoline: premixed with blue-tinted two-stroke oil on the left, plain gasoline on the right
Andshel · source · CC BY-SA 4.0
Old small outboard leaning against a wall
Maël BALLAND · source · Pexels License
Used spark plug with deposits
ProjectManhattan · source · CC BY-SA 3.0
Barnacles covering the bottom paint and keel of a hauled-out sailboat
Sinikka Halme · source · CC BY-SA 4.0
Underwater lights glowing turquoise beneath the stern of a motor yacht docked at night
Mohatatou · source · CC BY-SA 4.0
Plug-in 12V splitter with two accessory sockets and two USB ports on a cord
Raimond Spekking · source · CC BY-SA 4.0
Life jackets and a ring buoy stacked aboard a boat
Daniel's Richard · source · Pexels License
Portable fire extinguisher held in a quick-release bracket aboard a boat
Kritzolina · source · CC BY-SA 4.0
Small center-console boat on its trailer at a lakeshore
Mina Başer · source · Pexels License
Sailboat lifted in a travel lift during a marine survey
Suenosazules · source · CC BY-SA 4.0
A hand signing a printed agreement on the signature line
Pixabay · source · Pexels License
Hull identification plate on the transom of a French-built boat
PtiBzh · source · CC0 1.0
Older aluminum boat and weathered trailer parked in an alley
RightCowLeftCoast · source · CC BY-SA 4.0
Hand winch with strap and hook on a galvanized boat trailer tongue
Wualex · source · Public domain
Two wakeboard boats on trailers seen from the stern, showing the inboard propellers and rudders under the hull
Matti Blume · source · CC BY-SA 4.0
Gasoline V8 inboard marine engine on a display stand, showing belts, hoses and an adjustable engine mount
S.J. de Waard · source · CC BY-SA 3.0
Red portable fuel tanks and a gas can sitting in the open cockpit of a small fishing skiff
Jake Ryan · source · Pexels License
Piston with a connecting rod bent by hydrolock
MichaelXXLF · source · CC BY-SA 3.0
Coast Guard Auxiliary examiner inspecting a life jacket during a vessel safety check
Petty Officer 3rd Class Jonathan Lindberg, U.S. Coast Guard · source · Public domain
A 2008 Vessel Safety Check decal
U.S. Coast Guard Auxiliary · source · Public domain
Rotting abandoned boat on a Brooklyn shoreline with a snowy egret
Rhododendrites · source · CC BY-SA 4.0
Old wooden cabin boat sitting out of the water on a trailer next to a rusted truck, Petaluma, California
Carol M. Highsmith · source · Public domain
Compact DSC VHF radio mounted inside a cockpit with its external speaker
Fanny Schertzer · source · CC BY-SA 2.5
Two pontoon boats at a dock, showing the wood-look vinyl flooring on the open bow decks
Tümay Hasret · source · Pexels License
Wake boat with a wakeboard tower towing a wakesurfer on Lake Mead
Andrew Cattoir (Lake Mead National Recreation Area) · source · Public domain
Wakesurfer riding a short distance behind a wake boat
Walter J. Sieberer · source · CC BY-SA 4.0
V8 inboard marine engine installed in a boat, with exhaust manifolds and risers on each side
CZmarlin (Christopher Ziemnowicz), Rambler Ranch collection · source · CC BY-SA 4.0
Failed cylinder head gasket from a car engine, burned through between two cylinders
Lewis Collard · source · CC BY-SA 3.0
Outboard motor with its top cowling removed, showing the powerhead
Andshel · source · CC BY-SA 4.0
Rubber water pump impeller for an outboard engine
LittleGun · source · CC BY-SA 3.0
Outboard water pump with the housing removed, showing the pump base on the driveshaft
LittleGun · source · CC BY-SA 3.0
Used outboard water pump impeller with vanes bent from use
Wualex · source · Public domain
Small galley with a stainless sink aboard a sailing yacht
Niklas Bildhauer (Gerolsteiner91) · source · CC BY-SA 2.5
Park ranger inspecting the stern drive and hull of a trailered boat
NPS / Jacob W. Frank (YellowstoneNPS) · source · Public domain
Inspector vacuuming water out of an inflatable boat's compartments
GlacierNPS · source · Public domain
Marine reverse osmosis watermaker with pressure gauges and product flow meters, at a trade show
S.J. de Waard · source · CC BY-SA 3.0
Small open motorboat carrying six seated passengers under a sunshade
Alexander Nadrilyanski · source · Pexels License
Sailboats stored ashore on stands in a boatyard under a gray sky
Erik Mclean · source · Pexels License
Hand winch with strap on a boat trailer tongue
Wualex · source · Public domain
Bowrider at a boat show with a framed windshield and center walk-through opening
Matti Blume · source · CC BY-SA 4.0
Bowrider seen from above, with a framed windshield and its walk-through panel swung open to the bow
McChizzle · source · Public domain
Boats in their slips at a river marina surrounded by snow and ice
William Alden from Louisville, Kentucky, USA · source · CC BY-SA 2.0
Fishing boats at floating docks with sheet ice covering the harbor
Gillfoto · source · CC BY-SA 3.0
Sailboat wrapped in clear plastic for winter at a snowy, partly frozen marina
Anurag Jamwal · source · Pexels License
Uncovered motor yachts in a harbor covered with snow
Eylül Kuşdili · source · Pexels License
Small marine diesel engine with its bronze-covered raw-water pump at the front, below the belt pulleys
S.J. de Waard · source · CC BY-SA 3.0
New raw-water pump impeller next to a failed one broken into pieces
Ein Dahmer · source · CC BY-SA 3.0
Compact marine diesel generator with its sound shield open, showing the engine, fuel system, hoses and alternator
S.J. de Waard · source · CC BY-SA 3.0
New raw-water pump impeller next to a failed one broken into pieces
Ein Dahmer · source · CC BY-SA 3.0
Outboard motor tilted up on the transom of a small boat at a dock
Wikisympathisant · source · CC BY-SA 4.0
Pontoon boat nosed up on a lake shore, showing its aluminum tubes, vinyl seating, deck and bimini top
Wake Riderz Boat Rental Lake Austin · source · CC BY-SA 4.0
Two pontoon boats at a dock with vinyl lounge furniture, fence panels and bimini tops
Tümay Hasret · source · Pexels License
Personal watercraft on its trailer at the edge of a lake
Cjp24 · source · CC BY-SA 4.0
Personal watercraft jet pump impeller with cavitation damage along the blade edges
Erik Axdahl · source · CC BY-SA 2.5
Sailboat wintering afloat with the mast up and a clear plastic cover over the deck, ice in the harbor
Anurag Jamwal · source · Pexels License
Sterndrive leg on the stern of a covered boat sitting on its trailer
Mlsguy0037 · source · Public domain
Shrink-wrapped boats stored ashore for the winter at a marina
Sonam lama Hyolmo · source · Pexels License
Performance powerboat with several people aboard running on open water
Darryl Hentrich · source · Pexels License
Plug-in blade fuses in mini, standard and maxi sizes, seen from the front and the top
havarhen · source · CC BY-SA 3.0
Stainless steel wheel at a small powerboat helm with gauges, a small switch and display panel and a compass
Erik Mclean · source · Pexels License
Digital multimeter with test leads and clips in its case
Retired electrician · source · CC0 1.0