1993-2000 Honda TRX300EX Service Manual, Page 51Get this manual
Maintenance Push down the parking brake pin and then squeeze the clutch lever until firm resistance feltMeasure the distance the clutch lever has moved; the distance should be 2530 mm (11-18 n)If necessary, turn the clutch adjuster and tighten the lock nutAdjust the clutch lever free playTo adjust the distance, loosen the lock nut and turn the adjusterTighten the adjusterAfter adjusting the parking brake, install the handlebar cover (page 2-71(1) PARKING BRAKE PIN
2530mm {11-18 in)
Reverse Lock System
Inspection
Check the reverse select or cable and lever for loose connection, excessive play, or other damageReplace or repai if necessaryMeasure the reverse selector lever free play at the cable end of the lever while pushing the lever with your fingerFree play: 2-4 mm (11618 in)