2008 Yamaha Motorsports Vino 125 Owners Manual - Page 65
2008 Yamaha Motorsports Vino 125 Manual
Page 65 highlights
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. Supply fuel. Check the compression. The engine does not start. Check the compression. 3 4 5 There is compression. Check the ignition. 2. Compression Operate the electric starter. There is no compression. Have a Yamaha dealer check the vehicle. 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