Honda TRX680FA Service Manual page 160

FUEL SYSTEM (PGM-FI)
Remove the fuel feed hose clamp screw.
Remove the bolts and fuel injector holder and fuel
injector.
Remove the screw and throttle drum cover.
Loosen the throttle cable lock nut and adjusting nut
then disconnect the throttle cable from the throttle
drum and throttle body.
Loosen the insulator band screw.
Remove the throttle body from the insulator.
THROTTLE DRUM COVER
ADJUSTING NUT
OCK NUT
6-44