2011 Yamaha Motorsports Zuma 125 Owners Manual - Page 68

2011 Yamaha Motorsports Zuma 125 Manual

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EAU1722A PERIODIC MAINTENANCE AND ADJUSTMENT EAUT1981 Troubleshooting chart 1. Fuel 1 Check the fuel level in the fuel tank. There is enough fuel. Check the compression. The engine does not start. Check the compression. 2 3 4 5 6 7 There is no fuel. Supply fuel. 2. Compression There is compression. Operate the electric starter. There is no compression. Have a Yamaha dealer check the vehicle. Check the ignition. 3. Ignition Wet Remove the spark plug and check the electrodes. Dry Wipe off with a dry cloth and correct the spark plug gap, or replace the spark plug. Operate the electric starter. Have a Yamaha dealer check the vehicle. The engine does not start. Check the battery. 4. Battery 8 Operate the electric starter. The engine turns over quickly. 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. 9 6-31

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EAU1722A
PERIODIC MAINTENANCE AND ADJUSTMENT
EAUT1981
Troubleshooting chart
Check the fuel level in
the fuel tank.
1. Fuel
There is enough fuel.
There is no fuel.
Check the compression.
Supply fuel.
The engine does not start.
Check the compression.
Operate the electric starter.
2. Compression
There is compression.
There is no compression.
Check the ignition.
Have a Yamaha dealer
check the vehicle.
Remove the spark plug
and check the electrodes.
3. Ignition
Wipe off with a dry cloth and correct the
spark plug gap, or replace the spark plug.
Have a Yamaha dealer check the vehicle.
The engine does not start.
Have a Yamaha dealer
check the vehicle.
The engine does not start.
Check the battery.
Operate the electric starter.
4. Battery
The engine turns over
quickly.
The engine turns over
slowly.
The battery is good.
Check the battery lead connections,
and charge the battery if necessary.
Dry
Wet
Operate the electric starter.