PERIODIC MAINTENANCE AND MINOR REPAIR

EAU25901

Troubleshooting chart

EWA10840

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Keep away open flames and do not smoke while checking or working on the fuel system.

1. Fuel

There is enough fuel.

Check the fuel level in the fuel tank.

Check the compression.

There is no fuel.

Supply fuel.

The engine does not start. Check the compression.

2. Compression

Operate the electric starter.

There is compression.

 

 

Check the ignition.

 

 

 

 

 

 

There is no compression.

Have a Yamaha dealer check the vehicle.

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3. Ignition

Remove the spark plug and check the electrodes.

Wet

Wipe off with a dry cloth and correct the spark plug gap, or replace the spark plug.

Open the throttle halfway and operate the electric starter.

Dry Have a Yamaha dealer check the vehicle.

The engine does not start. Check the battery.

4. Battery

The engine turns over quickly.

Operate the electric starter.

The engine turns over slowly.

The battery is good.

Check the battery lead connections, and charge the battery if necessary.

The engine does not start. Have a Yamaha dealer

check the vehicle.

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