2006-2009 Honda TRX250EX/TRX250X Service Manual, Page 231Get this manual
FRONT WHEElSUSPENSIONSTEERING Install the throttle housing and holder, and loosely tighten the two screws
THAOTILE HOUSING
Align the lug of the throttle housing with the mating surface of the master cylinder and holder, and tighten the forward screw first, then tighten the rear screw