2005-2006 Honda ATV TRX500FE/FM/TM FourTrax Foreman Factory Service Manual, Page 79Get this manual
MAINTENANCE
REVERSE LOCK SYSTEM
Check the reverse selector cable and lever for loose connections, excessive play or other damageReplace or repair if necessaryMeasure the lever free play at the lever end near the cableFREE PLAY:mm (332532 in) NOTE: If necessary, watch the reverse selector arm on the crankcase to see when it moves while determining free play
Adjust by loosening the lock nut and turning the adjusterTighten the lock nut
SKID PLATE, ENGINE GUARD
Check the skid plate and engine guard for cracks, damage or loosenessTighten any loose fastenersReplace the skid plate or engine guard as requiredSKID PLATE