2006 Honda TRX680 Rincon Factory Service Manual, Page 160Get this manual
FUEL SYSTEM (PGM-FI) Remove the fuel feed hose clamp screwRemove the bolts and fuel injector holder and fuel injector
Remove the screw and throttle drum cover
THROTTLE DRUM COVER Loosen the throttle cable lock nut and adjusting nut then disconnect the throttle cable from the throttle drum and throttle bodyADJUSTING NUT OCK NUT