2004-2009 Honda TRX450R/TRX450ER Service Manual, Page 41Get this manual
GENERAL INFORMATION '04'05:
CARBURETOR HEATER WIRE THROTTLE POSITION SENSOR WIRE
THROTTLE POSITION SENSOR 3P (BLACK) CONNECTOR CARBURETOR HEATER 2P CONNECTOR
CRANKCASE BREATHER HOSE (HEAD COVER)