Troubleshooting - Yamaha YFZ450S 2003 Service Manual

STARTING FAILURE/HARD STARTING .......................................................9-1
FUEL SYSTEM.......................................................................................... 9-1
ELECTRICAL SYSTEM.............................................................................9-1
COMPRESSION SYSTEM........................................................................ 9-2
POOR IDLE SPEED PERFORMANCE ........................................................... 9-2
POOR IDLE SPEED PERFORMANCE.....................................................9-2
POOR MEDIUM AND HIGH-SPEED PERFORMANCE..................................9-2
POOR MEDIUM AND HIGH-SPEED PERFORMANCE ........................... 9-2
FAULTY GEAR SHIFTING..............................................................................9-3
HARD SHIFTING.......................................................................................9-3
SHIFT PEDAL DOES NOT MOVE ............................................................ 9-3
JUMPS OUT GEAR................................................................................... 9-3
CLUTCH SLIPPING/DRAGGING.................................................................... 9-3
CLUTCH SLIPPING .................................................................................. 9-3
CLUTCH DRAGGING ............................................................................... 9-3
OVERHEATING............................................................................................... 9-4
OVERHEATING ........................................................................................9-4
FAULTY BRAKE ............................................................................................. 9-4
POOR BRAKING EFFECT........................................................................ 9-4
SHOCK ABSORBER MALFUNCTION ........................................................... 9-4
MALFUNCTION......................................................................................... 9-4
UNSTABLE HANDLING.................................................................................. 9-5
UNSTABLE HANDLING ............................................................................9-5
LIGHTING SYSTEM ........................................................................................9-5
HEADLIGHT DOES NOT COME ON ........................................................9-5
TAIL/BRAKE LIGHT DOES NOT LIGHT................................................... 9-5
BULB BURNT OUT ................................................................................... 9-5
TAIL/BRAKE LIGHT BULB BURNT OUT.................................................. 9-5
CHAPTER 9

TROUBLESHOOTING

TRBL
SHTG