2004-2009 Honda TRX450R/TRX450ER Service Manual, Page 454Get this manual

BATTERYCHARGING SYSTEM (After '05)
COMPONENT LOCATION
REGULATOR RECTIFIER IGNITION SWITCH

FUSE(15A)(TRX450ER)

ALTERNATOR

BATTERY (TRX450ER)

• ATV
• Jet Ski
• Outboard Motors
• Personal Watercraft
• Snowmobiles
• Stern Drives