2001-2003 Honda TRX500FA Factory Service Manual, Page 91Get this manual
FUEL SYSTEM
CARBURETOR DISASSEMBLY INSPECTION
Check the SE va lve face fo scores, scratches or wearCheck the SE va lve seat at th tip of the valve for stepped earCheck the seal rin or ear damage
Remove the fo ll ow ing- throttle sensor (page 23-29)- air vent tubesdrain tube