2003 Honda ATV TRX650FA Rincon Factory Service Manual, Page 154Get this manual
CYLINDER HEADIVALVECAMSHAFT
CYLINDER HEAD REMOV AL
Remove th fo ll ow ing: thermostat (page 68)carburetor (page 5-6)exh aust pi pe (page 2-19)cylinder head cover (page 8-5)
spark plug carbureto ns ula tor (loos en he band screwcon necto nd engine cool an tem perature (EeT) sensor