Yamaha Motor Co., Ltd. YFM7FGPW — TROUBLESHOOTING

CHAPTER 10 TROUBLESHOOTING STARTING FAILURE/HARD STARTING .....................................................10-1 FUEL SYSTEM........................................................................................10-1 ELECTRICAL SYSTEM...........................................................................10-1 COMPRESSION SYSTEM......................................................................10-2 POOR IDLE SPEED PERFORMANCE .........................................................10-2 POOR IDLE SPEED PERFORMANCE...................................................10-2 POOR MEDIUM AND HIGH-SPEED PERFORMANCE ................................10-2 POOR MEDIUM AND HIGH-SPEED PERFORMANCE .........................10-2 FAULTY DRIVE TRAIN .................................................................................10-3 FAULTY GEAR SHIFTING ............................................................................10-4 HARD SHIFTING.....................................................................................10-4 SHIFT LEVER DOES NOT MOVE..........................................................10-4 JUMPS OUT OF GEAR...........................................................................10-4 FAULTY CLUTCH PERFORMANCE ............................................................10-4 ENGINE OPERATES BUT VEHICLE WILL NOT MOVE........................10-4 CLUTCH SLIPPING ................................................................................10-4 POOR STARTING PERFORMANCE......................................................10-4 POOR SPEED PERFORMANCE............................................................10-5 OVERHEATING .............................................................................................10-5 OVERHEATING ......................................................................................10-5 OVERCOOLING ............................................................................................10-5 COOLING SYSTEM ................................................................................10-5 FAULTY BRAKE ...........................................................................................10-5 POOR BRAKING EFFECT......................................................................10-5 SHOCK ABSORBER MALFUNCTION .........................................................10-6 MALFUNCTION.......................................................................................10-6 UNSTABLE HANDLING ................................................................................10-6 UNSTABLE HANDLING..........................................................................10-6 LIGHTING SYSTEM ......................................................................................10-6 HEADLIGHT DOES NOT COME ON......................................................10-6 BULB BURNT OUT .................................................................................10-6 TRBL SHTG