Engine Winterization

🛠 Tools & Materials Needed

Step-by-Step Instructions

1. 1

   Change the engine oil and filter while the engine is warm to remove contaminants.

2. 2

   Run fuel stabilizer through the fuel system by adding it to the tank and running the engine for 10 minutes.

3. 3

   Flush the cooling system with clean fresh water by running engine with flushing muffs.

4. 4

   Add marine antifreeze to the cooling system: disconnect the raw water intake hose and run the engine drawing antifreeze until it exits the exhaust.

5. 5

   Spray fogging oil into each cylinder via the spark plug holes to prevent corrosion.

6. 6

   Replace spark plugs if needed; apply a small amount of anti-seize compound.

7. 7

   Disconnect the battery, clean terminals, and store in a cool dry place on a trickle charger.

8. 8

   Drain the bilge completely and leave the drain plug out for winter storage.

9. 9

   Lubricate all throttle and shift cables with marine grease.

10. 10

    Cover the engine with a breathable engine cover and store in a dry location.