Troubleshooting - Yamaha YJ50RAP Service Manual

STARTING FAILURE/HARD STARTING .......................................................8-1
ENGINE..................................................................................................... 8-1
FUEL SYSTEM.......................................................................................... 8-1
ELECTRICAL SYSTEMS ..........................................................................8-1
INCORRECT ENGINE IDLING SPEED........................................................... 8-2
ENGINE..................................................................................................... 8-2
FUEL SYSTEM.......................................................................................... 8-2
ELECTRICAL SYSTEMS ..........................................................................8-2
POOR MEDIUM-AND-HIGH-SPEED PERFORMANCE .................................8-2
ENGINE..................................................................................................... 8-2
FUEL SYSTEM.......................................................................................... 8-2
FAULTY CLUTCH ........................................................................................... 8-2
ENGINE OPERATES BUT SCOOTER WILL NOT MOVE........................8-2
CLUTCH SLIPS......................................................................................... 8-2
POOR STARTING PERFORMANCE........................................................8-2
POOR ACCELERATION PERFORMANCE ..............................................8-2
OVERHEATING...............................................................................................8-3
ENGINE..................................................................................................... 8-3
FUEL SYSTEM.......................................................................................... 8-3
CHASSIS...................................................................................................8-3
ELECTRICAL SYSTEMS ..........................................................................8-3
POOR BRAKING PERFORMANCE................................................................8-3
UNSTABLE HANDLING.................................................................................. 8-3
FAULTY LIGHTING OR SIGNALING SYSTEM..............................................8-4
HEADLIGHT DOES NOT LIGHT............................................................... 8-4
HEADLIGHT BULB BURNT OUT.............................................................. 8-4
TAIL/BRAKE LIGHT DOES NOT LIGHT................................................... 8-4
TAIL/BRAKE LIGHT BULB BURNT OUT.................................................. 8-4
TURN SIGNAL DOES NOT LIGHT ........................................................... 8-4
TURN SIGNAL BLINKS SLOWLY............................................................. 8-4
TURN SIGNAL REMAINS LIT...................................................................8-4
TURN SIGNAL BLINKS QUICKLY............................................................ 8-4
HORN DOES NOT SOUND ...................................................................... 8-4
CHAPTER 8

TROUBLESHOOTING

TRBL
SHTG