2004-2009 Honda TRX450R/TRX450ER Service Manual, Page 147Get this manual
FUEL SYSTEM (After '05) Release the throttle stop screw cable from the clamp
THROTTLE STOP SCREW CABLE
Loosen the insulator band screwRemove the carburetor to the rear
CARBURETOR DISASSEMBLY
JET NEEDLETHROTTE VALVE
Loosen the screw and remove the insulator bandRemove the fuel hose, air vent hose and overflow hoseFUEL HOSE AIR VENT HOSES