1. Engine oil change
- Warm up the engine for a few minutes.
- Use a manual or electric suction pump to extract hot oil.
- Unscrew the oil filter with a suitable tool, clean the filter holder and remove the old gasket.
- Lightly grease the new gasket and hand-tighten the new oil filter.
- Pour in the recommended amount of oil and check for leaks after starting the engine.
2. Ignition system
- Inspect spark plugs for white or carbon deposits and check electrode gap.
- Replace or adjust spark plugs if necessary.
- Check cables and delco components.
3. Power supply circuit
- Replace fuel filter, prefilter and air filter according to manufacturer's recommendations.
- Periodically check the fuel tank for water or deposits.
- Fill the tank completely to avoid condensation, and add an antibacterial treatment at each refill.
4. Cooling system
- Wait until the engine is cold before opening the cooling system.
- Desalinate the cooling circuit with fresh water and a desalting agent.
- Change the water pump impeller at least once a year and check the condition of the hoses.
- Replace coolant and thermostat according to manufacturer's recommendations.
5. Electrical system
- Check battery, wires and terminals. Clean and grease terminals to prevent corrosion.
- Check and replace belts regularly.
- Check the alternator charging voltage and replace the alternator belt every two years.
6. Wintering
- Rinse with fresh water, drain oil and fuel, and change filters.
- Inject antifreeze into the engine and bleed the water circuit.
- Treat the tank with a fuel stabilizer.
- Run the engine under fresh water to remove residues.
Keep a complete service history to memorize engine maintenance and increase the resale value of your boat. After each trip, let the engine idle for a few minutes before switching it off, and check the visual condition of all components. Keep appropriate tools and spare parts on board, so you're always ready when you need them. A well-maintained engine ensures the longevity of your boat and your safety at sea.
