Yamaha DT125RE 2005 Service Manual page 309

STARTING FAILURE / HARD STARTING ..........................................9-1
FUEL SYSTEM ...........................................................................9-1
ELECTRICAL SYSTEM ...............................................................9-2
POOR IDLE SPEED PERFORMANCE .............................................9-3
POOR IDLE SPEED PERFORMANCE .............................................9-3
POOR MEDIUM AND HIGH SPEED PERFORMANCE ........................9-3
FUEL SYSTEM ...........................................................................9-3
ELECTRICAL SYSTEM ...............................................................9-3
COMPRESSION SYSTEM ............................................................9-4
Y.P.V.S. ....................................................................................9-4
FAULTY GEAR SHIFTING ...............................................................9-5
HARD SHIFTING ........................................................................9-5
CHANGE PEDAL DOES NOT MOVE .............................................9-5
JUMP OUT GEAR .....................................................................9-5
CLUTCH SLIPPING/DRAGGING ......................................................9-5
CLUTCH SLIPPING .....................................................................9-5
CLUTCH DRAGGING ..................................................................9-6
FAULTY BRAKE ...........................................................................9-6
POOR BRAKING EFFECT ............................................................9-6
FRONT FORK OIL LEAKAGE AND FRONT FORK MALFUNCTION ......9-6
OIL LEAKAGE ...........................................................................9-6
MALFUNCTION ........................................................................9-6
INSTABLE HANDLING ..................................................................9-7
INSTABLE HANDLING ...............................................................9-7
FAULTY SIGNAL AND LIGHTING SYSTEM .......................................9-8
HEADLIGHT DARK .....................................................................9-8
BULB BURNT OUT .....................................................................9-8
FLASHER DOES NOT LIGHT ......................................................9-8
FLASHER KEEPS ON ..................................................................9-8
FLASHER WINKS SLOWER .........................................................9-8
FLASHER WINKS QUICKER .........................................................9-8
HORN IS INOPERATIVE ...............................................................9-8
FAULTY Y.P.V.S. ...........................................................................9-9
FAULTY Y.P.V.S ...........................................................................9-9
OVERHEATING OR OVERCOOLING ................................................9-9
OVERHEATING ...........................................................................9-9
OVERCOOLING ........................................................................9-9
DT125 WIRING DIAGRAM ............................................................9-10
CHAPTER 9
TROUBLESHOOTING
TRBL
SHTG