How to Start a Boat Engine After a Long Storage

At the beginning of boating season, your boat's engine has not run since the end of the previous season. Like any other mechanical device that has remained unused for an extended period of time, it will not reawaken without a bit of extra effort. You must inspect and, if need be, repair the engine's electrical, lubrication and fuel systems to make certain they will perform as expected when you call upon them. Doing so will ensure proper performance and a long service life.

Things You'll Need

  • Fuel filters
  • Fresh fuel
Show More

Instructions

    • 1

      Re-install and reconnect the boat's batteries. Inspect all of the boat's wiring for evidence of damage or fraying. Inspect the connections to ensure they are tight and undamaged.

    • 2

      Replace all fuel filters.

    • 3

      Fill the fuel tank with freshly purchased fuel. Prime the fuel system by pumping the priming bulb. Inspect the fuel system for evidence of leaks.

    • 4

      Start the motor, let the temperature rise to the normal operating range and inspect the engine for proper operation.