Intro:
Your outboard engine is the heart of your boat—and like any engine, it needs proper care to keep running reliably. Whether you’re prepping for the season or storing for winter, these essential tips will extend your engine’s life and prevent costly repairs.
1. Flush the Engine After Every Use
Saltwater is your engine’s worst enemy. Flush the cooling system with fresh water after every trip—especially if you run in salt or brackish water. It prevents corrosion and buildup in the water pump and cooling passages.
2. Check & Change the Oil Regularly
For 4-stroke engines, change the engine oil and filter at least once per season or every 100 hours. Check your lower unit oil too—milky oil = water intrusion = bad seals = time for service.
3. Inspect the Propeller
Remove and inspect your prop every few outings. Fishing line wrapped around the shaft can destroy seals. Nicks in the blade can reduce efficiency—and affect top-end performance.
4. Keep the Fuel System Clean
Use marine-grade fuel stabilizer, especially with ethanol-blended gas. Replace fuel filters yearly and drain old fuel if it’s been sitting for months.
5. Store it Right
At the end of the season, fog the cylinders, drain the carbs (if applicable), disconnect the battery, and keep the engine upright in a dry place. Proper winterization is essential for longevity.
Conclusion:
Outboard engines are built tough—but they’re not maintenance-free. These simple steps can save you thousands in repairs and keep your time on the water stress-free.
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