BoatMend

Repair & maintenance guides

Plain-English, step by step, written for owners. Pick your engine to see the guides that apply to it.

144 of 509 guides · page 4 of 6

Hull & systemsModerate

How to Mount and Maintain a Kicker Motor Bracket

Set up a small auxiliary outboard (a kicker) the right way: choose a manual or spring-assisted bracket, through-bolt it to a sound transom with a backing plate, add a safety cable, sort out steering and fuel, and keep the bracket working season after season.

4 h Outboard Shop: $250-700
Hull & systemsModerate

How to Mount or Re-Tighten an Outboard on the Transom

A loose outboard can steer badly, crack the transom or fall off the boat. Learn how to center the motor, check engine height, tighten clamp screws, seal and bolt through the transom with backing plates, add a safety cable on small motors and spot transom flex before it becomes a costly repair.

1 h 30 min Outboard Shop: $150-500
Hull & systemsModerate

How to Mount Rod Holders, Fish Finders, Cleats and Antennas Without Causing Leaks

Add accessories to your boat the right way, with through-bolts, backing plates, sealed core and proper wire pass-throughs, so every new hole stays dry and strong. Also learn where you should never drill.

3 h All engines Shop: $100-400
Hull & systemsModerate

How to Paint a Boat Bilge (Prep, Paint Choice and What to Leave Bare)

A freshly painted bilge is easier to keep clean and makes small fuel, oil, coolant and water leaks easy to spot. Learn how to degrease and sand, pick between alkyd bilge paint and epoxy coatings, ventilate safely, and keep paint off the parts that must stay bare.

10 h All engines Shop: $500-2500
Hull & systemsAdvanced

How to Paint Your Boat's Topsides (Roll and Tip)

When the gelcoat above the waterline is too chalky or crazed to polish back, a one-part or two-part polyurethane paint can bring back the shine. This guide covers choosing the paint, prep, weather windows, roll-and-tip technique and the safety gear two-part paints demand.

16 h All engines Shop: $2500-15000
Hull & systemsEasy

How to Prevent and Remove Mold and Mildew on Your Boat

Stop the musty smell and black spots before they start. Find and fix the water source, keep air moving, control humidity safely, and clean mold off gelcoat, vinyl and cabin surfaces with products that won't damage them.

3 h All engines Shop: $200-1500
Hull & systemsEasy

How to Prevent and Remove Scale in Marine Toilet Discharge Hoses

A head that gets harder to pump, flushes slowly or lets water creep back into the bowl often has mineral scale building up inside the discharge hose. Learn a simple monthly vinegar routine, when to use a maker-approved descaler, what never to pour in, and when replacing the hose or switching to a freshwater flush is the real fix.

1 h All engines Shop: $150-400
Hull & systemsAdvanced

How to Re-Caulk Teak Deck Seams (and When the Deck Is Beyond Saving)

Spot failing teak deck seams, reef out the old caulk, prep and bond-break the seams, lay in a teak-specific caulk and sand it flush. Done right, fresh seams stop deck leaks and add years to the deck; this guide also shows the signs that a deck is too worn to recaulk.

8 h All engines Shop: $800-8000
Hull & systemsModerate

How to Re-Cover Boat Cushions and Seats (DIY Sewing vs. Upholstery Shop)

Cracked, faded or split cushion covers can be replaced without buying new seats. Learn how to choose marine vinyl or acrylic fabric, which thread survives the sun, how to use the old cover as a pattern, where zippers and drain vents go, and when a walking-foot machine at home makes sense versus paying an upholstery shop.

8 h All engines Shop: $150-600
Hull & systemsModerate

How to Rebuild a Manual Marine Toilet (Hand-Pump Head)

A manual head that's hard to pump, lets water flow back into the bowl or leaks at the pump shaft usually just needs new valves and seals. Learn how to diagnose the symptom, pick the right service kit, replace the joker valve, flapper and piston seals safely and hygienically, and keep the pump working afterward.

2 h All engines Shop: $200-450
Hull & systemsEasy

How to Remove and Apply Boat Names, Graphics and Registration Decals

Take off old vinyl names and graphics without scratching the gelcoat, clean up the glue and the "ghost" outline, then apply new lettering straight and bubble-free, and display your registration numbers the way federal rules require.

3 h All engines Shop: $150-800
Hull & systemsAdvancedDraft

How to Repair or Repaint Worn and Cracked Non-Skid Decks

Bring back grip where the molded non-skid is chipped, cracked, patched or worn smooth. Choose between a molded patch that copies the original pattern, non-skid paint with grit, or textured gelcoat, fix the cracks and soft spots underneath first, and mask for clean, safe edges.

8 h All engines Shop: $300-3000
Hull & systemsModerate

How to Repair or Replace Vinyl Flooring on a Pontoon or Bowrider

Fix small tears, lifted seams and bubbles in marine vinyl or woven vinyl flooring with the right adhesive, tell when a soft spot means the plywood underneath is rotting, and understand what a full floor replacement involves. Structural deck and stringer repairs are pro work.

3 h All engines Shop: $300-4000
Hull & systemsModerate

How to Repair or Replace Your Boat's Rub Rail

Replace a torn rub rail insert or the whole rail, reseal the hull-to-deck joint and its fasteners while the rail is off, and stop the deck-joint leaks that often hide behind a worn rail.

8 h All engines Shop: $800-3000
Hull & systemsModerate

How to Repair Small Gelcoat Chips and Scratches

Fill and blend small chips, dings and scratches in your boat's gelcoat with a repair kit so they stop letting water into the fiberglass and look close to new. Also learn to spot damage that is structural and needs a pro.

3 h All engines Shop: $150-500
Hull & systemsEasy

How to Repair Torn-Out Canvas Snaps, Fasteners and Zippers

Fix snaps that have pulled out of your bimini, cover or enclosure, reinforce the torn fabric, choose the right snap metal and setting tool, free stuck snaps, replace Lift-the-Dot and twist fasteners, and swap a worn zipper slider.

1 h All engines Shop: $40-200
Hull & systemsModerate

How to Replace Cleats, Eyes and Brackets on a Riveted Aluminum Boat

Swap or add cleats, tie-down eyes, rod holders and accessory brackets on an aluminum boat without starting corrosion or new leaks. The keys are isolating stainless from aluminum, picking the right rivet or bolt, and spreading the load.

2 h Outboard, All engines Shop: $100-400
Hull & systemsModerate

How to Replace Folding Boat Seat Hinges and Fix Back-to-Back Seats

Fix flip-up seats, fold-down fishing seats and back-to-back lounge seats that sag, jam or rip loose. Replace rusted or bent hinges with stainless hardware, rebuild a rotten plywood base so the new screws actually hold, and adjust the latches so the seat stays put.

2 h All engines Shop: $100-450
Hull & systemsEasy

How to Replace Gas Struts on Boat Hatches, Seats and Consoles

Measure, buy and fit the right gas struts (lift supports) so hatches, seat lids and console doors stay open safely instead of dropping on your head or fingers.

45 min All engines Shop: $100-300
Hull & systemsModerate

How to Replace or Re-Cover a Bimini Top

Decide whether you need new canvas or a whole new top, measure your frame the right way, pick a fabric that will last in the sun, check the frame and hardware, and swap the canvas yourself or brief a canvas shop.

3 h All engines Shop: $300-1500
Hull & systemsAdvanced

How to Replace the Carpet on a Pontoon Boat

Strip worn pontoon carpet and old glue, check the plywood underneath for rot before it gets covered again, choose between marine carpet, snap-in carpet and vinyl, then glue, trim and finish the new floor so it lasts. Most owners need a few dry weekends; soft or rotten decking is a bigger job.

20 h All engines Shop: $1500-5000
Hull & systemsModerate

How to Spot and Prevent Corrosion on an Aluminum Boat

Aluminum hulls and pontoon tubes are tough, but they lose almost every fight with other metals. Learn the warning signs of galvanic and stray current corrosion, keep copper and loose metal away from the hull, choose the right anodes, touch up paint with the proper primer and know when a repair needs a welder.

2 h All engines Shop: $100-3000
Hull & systemsModerate

How to Tell if Your Boat's Flotation Foam Is Waterlogged

Learn the signs that the foam under the floor or seats of a small boat has soaked up water, how to check without tearing the boat apart, what the Coast Guard flotation rules mean for you, and why replacing foam is usually a big job for a pro.

1 h 30 min All engines
Hull & systemsEasy

How to Test and Clean Your Bilge Pump and Float Switch

Make sure your bilge pump actually moves water overboard, both on the manual switch and automatically through the float switch. A working bilge pump is one of the most important safety systems on any boat that stays in the water.

45 min All engines Shop: $100-250

Safety: BoatMend is for information only and does not replace a certified marine technician. You are responsible for your safety and your boat. Read the full disclaimer.