1986-1988 Honda TRX 200SX Fourtrax Service Manual, Page 123Get this manual
FRONT WHEELSUSPENSION STEERING Install the front brake master cylinder with theUP" mark on the holder facing upAlign the end of the holder with the punch mark on the handlebar and tighten the upper screw first then lighten the lower screw
(3)UP" MARK
Place th throttl housmg and holder on the handlebar Ali gn th end of he housing with the punch mark on the hand barand tighten the forward screw firstthen tighten the rear screw