Trbl Shtg - Yamaha YW125Y 2009 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 ..................................................................................... 8-3
ENGINE OPERATES BUT SCOOTER WILL NOT MOVE ............... 8-3
CLUTCH SLIPS ................................................................................. 8-3
POOR STARTING PERFORMANCE ................................................ 8-3
POOR SPEED PERFORMANCE ..................................................... 8-3
OVERHEATING......................................................................................... 8-3
ENGINE .............................................................................................. 8-3
FUEL SYSTEM .................................................................................. 8-3
CHASSIS ............................................................................................ 8-3
ELECTRICAL SYSTEMS .................................................................. 8-3
POOR BRAKING PERFORMANCE ........................................................ 8-4
FAULTY FRONT FORK LEGS ................................................................. 8-4
LEAKING OIL ..................................................................................... 8-4
MALFUNCTION ................................................................................. 8-4
UNSTABLE HANDLING ........................................................................... 8-4
FAULTY LIGHTING OR SIGNALING SYSTEM ...................................... 8-5
HEADLIGHT DOES NOT COME ON ................................................ 8-5
HEADLIGHT BULB BURNT OUT ..................................................... 8-5
TAIL/BRAKE LIGHT DOES NOT COME ON .................................... 8-5
TAIL/BRAKE LIGHT BULB BURNT OUT ......................................... 8-5
TURN SIGNAL DOES NOT COME ON ............................................ 8-5
TURN SIGNAL BLINKS SLOWLY ..................................................... 8-5
TURN SIGNAL REMAINS LIT ........................................................... 8-5
TURN SIGNAL BLINKS QUICKLY .................................................... 8-5
HORN DOES NOT SOUND .............................................................. 8-5
CHAPTER 8
TROUBLE SHOOTING
8-6
TRBL
SHTG