Check the fuel level in
the fuel tank.
1. Fuel
There is enough fuel.
There is no fuel.
Check the battery.
Have a Yamaha dealer check the vehicle.
Supply fuel.
Operate the electric starter.
4. Compression
There is compression.
There is no compression.
The engine does not start.
Have a Yamaha dealer check the vehicle.
Remove the spark plugs
and check the electrodes.
3. Ignition
Wet
Dry
Wipe off with a dry cloth and correct the
spark plug gaps, or replace the spark plugs.
Have a Yamaha dealer check the vehicle.
The engine does not start.
Check the compression.
Open the throttle halfway and operate
the electric starter.
The engine does not start.
Check the battery.
Operate the electric starter.
2. Battery
The engine turns over
quickly.
The engine turns over
slowly.
The battery is good.
Check the electrolyte and battery
lead connections, and charge the
battery if necessary.
The engine does not start.
Check the ignition.
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