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

CHAPTER 6
ELECTRICAL
ELECTRICAL COMPONENTS
AND WIRING DIAGRAM ...........................6-1
MAP-CONTROLLED CDI UNIT .................6-2
IGNITION SYSTEM ....................................6-3
ELECTRIC STARTING SYSTEM ..............6-7
CHARGING SYSTEM ..............................6-17
TPS (THROTTLE POSITION SENSOR)
SYSTEM ...................................................6-19
LIGHTING SYSTEM ................................6-24
SIGNALING SYSTEM ..............................6-26
CHAPTER 7
TUNING
ENGINE ......................................................7-1
CHASSIS ...................................................7-9