Troubleshooting - Yamaha YP20T Manuel D'utilisation

707-041
1
705-037
700-006
1 2
704-010
760-009

Troubleshooting

Engine won't start
1. Fuel systems
No fuel supplied to combustion chamber.
2 No fuel in tank .... Supply fuel.
2 Fuel in tank .... Fuel cock lever to ON.
1 ON
2 Clogged fuel line .... Clean fuel line.
2 Foreign matter in fuel cock .... Clean fuel cock.
2 Clogged carburetor .... Clean carburetor.
2. Engine oil system
Insufficient
2 Oil level is low .... Add engine oil.
3. Electrical systems
2 Engine switch to "ON" (ON) and pull the recoil
starter.
2 "ON" (ON)
Poor spark
2 Spark plug dirty with carbon or wet .... Remove
carbon or wipe spark plug dry.
2 Faulty ignition system .... Consult a Yamaha deal-
er.
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