How to Winterize a Sea-Doo: Complete Step-by-Step Guide

# How to Winterize a Sea-Doo: Complete Guide Proper winterization prevents costly damage in Rhode Island's cold climate. Failing to winterize can result in cracked engine blocks ($3,000-$5,000 repair) and fuel system damage. ## When to Winterize - Mid-October to early November in Rhode Island - When water temperatures drop below 60°F - Before the first hard freeze ## Essential Supplies Needed - Fuel stabilizer (Sea-Doo XPS recommended) - Marine antifreeze (2-3 gallons) - Engine fogging oil - XPS synthetic oil - Battery tender - Storage cover ## 10-Step Winterization Process ### Step 1: Final Cleaning Rinse thoroughly with fresh water, especially after saltwater use. ### Step 2: Fuel System Treatment Fill tank to 95% and add fuel stabilizer. Run engine 5-10 minutes to circulate. ### Step 3: Engine Fogging Spray fogging oil into intake while running until white smoke appears. ### Step 4: Oil Change Change oil and filter to remove contaminants and acids. ### Step 5: Coolant System Antifreeze **Most critical step!** Flush with fresh water, then add marine antifreeze until it exits exhaust. ### Step 6: Battery Maintenance Remove battery, clean terminals, store in cool dry place on battery tender. ### Step 7: Lubrication Grease all moving parts: throttle cable, steering, reverse gate, hood latches. ### Step 8: Exterior Protection Apply marine wax, clean and condition seats, protect all plastic surfaces. ### Step 9: Storage Preparation Use breathable waterproof cover, place moisture absorbers inside. ### Step 10: Trailer Maintenance Grease wheel bearings, check tire pressure, test lights. ## Professional Service Available We offer complete winterization packages starting at $149. [Contact us](/contact) to schedule service. **Pro Tip:** Document condition with photos before storage for insurance purposes.