Troubleshooting - Yamaha YZ450FX 2019 Owner's Service Manual

TROUBLESHOOTING

TROUBLESHOOTING ......................................................................................9-1
GENERAL INFORMATION ........................................................................9-1
STARTING FAILURE .................................................................................9-1
INCORRECT ENGINE IDLING SPEED .....................................................9-1
POOR MEDIUM-AND-HIGH-SPEED PERFORMANCE ............................9-2
SHIFTING IS DIFFICULT ...........................................................................9-2
SHIFT PEDAL DOES NOT MOVE .............................................................9-2
JUMPS OUT OF GEAR ..............................................................................9-2
CLUTCH SLIPS ..........................................................................................9-2
CLUTCH DRAGS .......................................................................................9-2
OVERHEATING..........................................................................................9-2
OVERCOOLING .........................................................................................9-3
POOR BRAKING PERFORMANCE ...........................................................9-3
FRONT FORK OIL LEAKING .....................................................................9-3
FAULTY FRONT FORK LEGS ...................................................................9-3
UNSTABLE HANDLING .............................................................................9-3
LIST OF SELF-DIAGNOSTIC AND FAIL-SAFE ACTIONS .............................9-4
LIST OF DIAGNOSTIC CODES .................................................................9-4
SENSOR OPERATION TABLE ..................................................................9-5
ACTUATOR OPERATION TABLE .............................................................9-6
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