Yamaha WR450F(W) Owner's Service Manual page 24

CHAPTER 6
ELECTRICAL
ELECTRICAL COMPONENTS
AND WIRING DIAGRAM ...........................6-1
IGNITION SYSTEM ....................................6-2
ELECTRIC STARTING SYSTEM ..............6-6
CHARGING SYSTEM ..............................6-16
TPS (THROTTLE POSITION SENSOR)
SYSTEM ...................................................6-18
LIGHTING SYSTEM ................................6-23
SIGNALING SYSTEM ..............................6-26
CHAPTER 7
TUNING
ENGINE ......................................................7-1
CHASSIS ...................................................7-9