Marine Engine Maintenance Checklist

This checklist provides a general guide to maintaining a marine engine. Regular maintenance ensures the longevity and optimal performance of the engine.

General Maintenance Checklist:

  • Engine Oil: Check and change the engine oil regularly. Refer to the engine's manual for specific intervals.
  • Fuel System: Inspect the fuel system for leaks and replace fuel filters as needed.
  • Cooling System: Check the coolant level and refill if necessary. Inspect the system for leaks and clean the sea strainer.
  • Belts: Inspect belts for tension and wear. Replace if they show signs of cracking or wear.
  • Battery: Check the battery's charge level and clean terminals to ensure good connections.
  • Hoses: Inspect all hoses for cracks, brittleness, or leaks and replace as necessary.
  • Impeller: Check the impeller for wear or damage and replace yearly or as per manufacturer's recommendations.
  • Bilge Pumps: Test bilge pumps to ensure they are operating correctly and clear of debris.
  • Electrical Connections: Inspect all electrical connections for corrosion or damage. Clean and tighten as needed.
  • Exhaust System: Inspect the exhaust system for leaks, corrosion, or damage.
  • Propeller: Inspect the propeller for damage and ensure it is securely fastened.
  • Zinc Anodes: Check and replace zinc anodes to prevent corrosion.
  • Engine Alignment: Check the engine alignment periodically, especially if you notice unusual vibrations.
  • Start-up Test: Regularly run the engine to check for any unusual noises or vibrations.

Note: Always refer to your engine's specific manual for detailed maintenance instructions and intervals. It's recommended to have a professional technician perform a thorough inspection annually.