Yamaha EF1000iS User Manual

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707-091

AE01097

1. Fuel systems

No fuel supplied to combustion chamber.

2 No fuel in tank .... Supply fuel.
2 Fuel in tank .... • Fuel tank cap air vent knob to

“OPEN” (turn it 1 turn counterclockwise).

• Fuel cock knob to “ON”.

2 Clogged fuel line .... Clean fuel line.
2 Clogged carburetor .... Clean carburetor.

705-072

700-006

763-223b

760-009

AE00785

2 Safety device (AC) to “OFF” ....  Stop the engine,

then restart.

2 Safety device (DC protector) to “OFF” ....  Press to

reset the DC protector.

2. Engine oil system

Insufficient

2 Oil level is low .... Add engine oil.

3. Electrical systems

2 Engine switch (Red) to “ON”.

Poor spark

2 Spark plug dirty with carbon or wet .... Remove

carbon or wipe spark plug dry.

2 Faulty ignition system .... Consult dealer.

4. Compression

Insufficient

2 Worn out piston and cylinder .... Consult dealer.

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