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U
umoralesOct 29, 2025
Why Yamaha Engine will not start?
- SSergio ClarkOct 29, 2025
Several factors can prevent your Yamaha Engine from starting. The fuel tank might be empty or the fuel could be contaminated or stale; in both cases, fill the tank with clean, fresh fuel. A clogged fuel filter can also be the culprit, so clean or replace it. Ensure the starting procedure is correct. Inspect the spark plugs for fouling or incorrect type, cleaning or replacing them as needed with the recommended type. Also, verify that the spark plug caps are correctly fitted. Check for poor connections or damaged ignition wiring, tightening loose connections and replacing worn or broken wires. Other potential causes include faulty ignition parts or damaged engine inner parts, which would require servicing by a Yamaha dealer. Make sure the engine stop switch lanyard is attached and the fuel ...
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