2005 Yamaha Motorsports Vino 125 Owners Manual - Page 61

2005 Yamaha Motorsports Vino 125 Manual

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PERIODIC MAINTENANCE AND MINOR REPAIR EAU25901 Troubleshooting chart EWA10840 w Keep away open flames and do not smoke while checking or working on the fuel system. 1 2 There is enough fuel. Check the fuel level in the fuel tank. There is no fuel. Supply fuel. Check the compression. 1. Fuel The engine does not start. Check the compression. 3 4 2. Compression There is compression. Operate the electric starter. There is no compression. Have a Yamaha dealer check the vehicle. Check the ignition. 5 6 Open the throttle halfway and operate the electric starter. The engine does not start. Check the battery. 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. 7 8 9 Have a Yamaha dealer check the vehicle. 4. Battery 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. 6-27

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PERIODIC MAINTENANCE AND MINOR REPAIR
EAU25901
Troubleshooting chart
EWA10840
w
Keep away open flames and do not smoke while checking or working on the fuel system.
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
Open the throttle halfway and operate
the electric starter.