2011 Yamaha Motorsports Royal Star Venture S Owners Manual - Page 105
2011 Yamaha Motorsports Royal Star Venture S Manual
Page 105 highlights
PERIODIC MAINTENANCE AND ADJUSTMENT EAU42312 Troubleshooting charts Starting problems or poor engine performance 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. 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 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. Have a Yamaha dealer check the vehicle. 8 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 have a Yamaha dealer charge the battery if necessary. The engine does not start. Have a Yamaha dealer check the vehicle. 8-38