2004-2009 Honda TRX450R/TRX450ER Service Manual, Page 162Get this manual
FUEL SYSTEM (After '05) Clamp the throttle stop screw cable
THROTTLE STOP SCREW CABLE
Connect the carburetor switch 2P (Neutral) and throttle position sensor 3P (Black) connectors, and clamp their wires properlyInstall the fuel tank (page 3-9)Perform the following inspections and adjustments:Throttle operation (page 4-6)Engine idle speed (page 4-20)Pilot screw (page 8-24)
PILOT SCREW ADJUSTMENT
IDLE DROP PROCEDURE