2007 Yamaha Motorsports Vino 125 Owners Manual - Page 65

2007 Yamaha Motorsports Vino 125 Manual

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Troubleshooting chart 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 1 . Fuel There is enough fuel. Check the fuel level in the fuel tank. There is no fuel. - • • 3 - • • Check the compression. The engine does not start. Supply fuel. - • • Check the compression. 4 5 2. Compression There is compression. Operate the electric starter. There is no compression. Have a Yamaha dealer check the vehicle. - • • Check the ignition. 6 7 3. Ignition Wet Remove the spark plugs and check the electrodes. Dry Wipe off with a dry cloth and correct the spark plug gaps, or replace the spark plugs. Open the throttle halfway and operate the electric starter. The engine does not start. Check the battery. 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. 6-29

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Troubleshooting chart<IXE>
PERIODIC MAINTENANCE AND MINOR REPAIR
Troubleshooting chart
w
Keep away open flames and do not smoke while checking or working on the fuel system.
1.
Fuel
Check the fuel level in
the fuel tank.
There is enough
fuel.
— • •
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.
3. Ignition
Remove the spark plugs
and check the electrodes.
Wet
Wipe off with a dry cloth and correct the
spark plug gaps, or replace the spark plugs.
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
Operate the electric starter.
The engine turns over
quickly.
The battery is good.
The engine turns over
slowly.
—
>
•
Check the battery lead connections,
and charge the battery if necessary.
The engine does not start.
Have a Yamaha dealer
check the vehicle.
EAU25901
EWA10840
1
2
3
4
5
6
7
8
9
6-29