What to do if my Yamaha Outboard Motor engine does not start?
- AAnthony PerryOct 28, 2025
If your Yamaha Outboard Motor engine won't start, several factors could be at play. Begin by ensuring sufficient oil and fuel levels, replenishing if needed. If the fuel is old, replace it. Confirm the fuel cock lever is set to the “ON” position. Inspect the fuel tank and hose for blockages, cleaning or replacing as necessary. Also, check the spark plug; it may need re-gapping or replacement. If the ignition spark gap is okay, the ignition system is likely functioning correctly. Other potential solutions include replacing the ignition coil or spark plug cap, cleaning components, addressing carbon deposits in the combustion chamber by decarbonizing it, adjusting valve clearance, resurfacing or replacing the valve face and valve seat, correcting any issues, or reboring or replacing parts if ...













