✅ Boat De-Winterizing Checklist
Exterior
Remove and inspect boat cover
Clean and wash hull & deck
Wax the exterior
Inspect hull for cracks, blisters, or damage
Engine & Fuel System
Inspect engine for corrosion or damage
Change engine oil & filter
Replace fuel filter/water separator
Check fuel lines for cracks or leaks
Top off fuel tank with fresh gas
Add fuel stabilizer (if needed)
Battery
Reconnect battery terminals
Clean battery terminals
Fully charge battery
Test battery voltage (should be ~12.6V or more)
Cooling System
Flush antifreeze (if applicable)
Inspect hoses and clamps
Reconnect hoses as required and align valves
Propeller & Drive System
Inspect propeller for dings or damage
Tighten prop nut and install cotter pin
Check and change lower unit gear oil
Grease all fittings (steering, tilt, trailer, etc.)
Electrical & Controls
Test navigation lights
Test bilge pump and float switch
Test horn, radio, GPS, fishfinder, etc.
Inspect wiring and fuses
Interior
Clean interior surfaces
Check for mold or mildew
Inspect canvas, bimini tops, cushions
Organize storage compartments
Safety Gear
Check life jackets (PFDs)
Inspect fire extinguishers (fully charged & not expired)
Check signaling devices (flares, air horn, etc.)
Restock first-aid kit
Test carbon monoxide and fire detectors
Review all safety equipment as per Transport Canada Safe boating guide https://tc.canada.ca/sites/default/files/2024-03/tp_511e.pdf
Paperwork
Renew boat registration
Review/renew insurance policy
Check trailer tags (if applicable)
Final Prep & Test
Inspect trailer (tires, lights, bearings)
Perform dry start with muffs/hose (watch temp, smoke, leaks)
Check steering and throttle controls
Inspect anchor and dock lines
