Engine Won't Start; Troubleshooting - Yamaha EF4500iSE - Inverter Generator Owner's Manual

ON
OFF
AE00512

TROUBLESHOOTING

Engine won't start

1. Fuel systems
No fuel supplied to combustion chamber.
2 No fuel in tank .... Supply fuel.
707-7XFc
2 Fuel in tank .... Fuel cock knob to "ON".
2 Clogged fuel line .... Clean fuel line.
2 Clogged carburetor .... Clean carburetor.
705-073c
2. Engine oil system
Insufficient
2 Oil level is low .... Add engine oil.
700-006
3. Electrical systems
2 Engine switch to "START" 1.
q
Poor spark
2 Spark plug dirty with carbon or wet .... Remove
carbon or wipe spark plug dry.
2 Faulty ignition system .... Consult dealer.
763-120a
4. Compression
Insufficient
2 Worn out piston and cylinder .... Consult dealer.
2 Loose cylinder head nuts .... Tighten nuts proper-
ly.
2 Damaged gasket .... Replace gasket.
760-009
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