Yamaha VINO YJ50RAP, Service Manual, Page: 221 / 228

TRBL
SHTG
CHAPTER 8
TROUBLESHOOTING
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
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