Engine Runs Erratically

Related KB links

• Engine Oil: Recommended Engine Oil – Primary

  Spec · Mercury Verado NMMA FC-W certified SAE 25W-40 Synthetic Blend Marine 4-Stroke Engine Oil conditions={"use":"General, all-temperature use"}

• Changing Oil Filter

  Procedure · 1. Ensure the outboard is upright (not tilted) and the engine is cold or has not run for at least one hour, to reduce or prevent oil spillage when removing the oil filter. WARNING: To reduce or prevent oil spillage wh...

• Engine oil: Fuel contamination indicator

  Spec · Strong fuel smell

• Respond to non-critical warning horn (intermittent short beeps for six seconds)

  Procedure · 1. Recognize intermittent short beeps for six seconds as a non-critical engine condition. 2. Check for operator-correctable conditions: water in fuel filter, cooling system obstruction, or low engine oil level. 3. If ...

• Performance Loss

  Diagnostic · Cause: Low oil pressure. Check oil level.