Yamaha YZ250N Owner's Service Manual page 24

CHAPTER 6
ELECTRICAL
ELECTRICAL COMPONENTS AND
WIRING DIAGRAM .....................................6-1
IGNITION SYSTEM.....................................6-2
SOLENOID VALVE SYSTEM......................6-6
TPS (THROTTLE POSITION SENSOR)
SYSTEM......................................................6-8
CHAPTER 7
TUNING
ENGINE.......................................................7-1
CHASSIS...................................................7-13