PERIODIC MAINTENANCE AND ADJUSTMENT7-327EAU41493Troubleshooting chartsStarting problems or poor engine performanceCheck the fuel level inthe fuel tank.1. Fuel There isenough fuel.There isno fuel. Supply fuel.Operate the kickstarter.2. Compression There is compression.There isno compression.Check the ignition.Have a Yamaha dealercheck the vehicle.Remove the spark plugand check the electrodes.3. Ignition WetDryWipe off with a dry cloth and correct thespark 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.Open the throttle halfway and operatethe kickstarter.Check the compression.The engine does not start.Check the compression.U1SN81E0.book Page 32 Tuesday, June 12, 2012 3:17 PM
