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