2005-2006 Honda ATV TRX500FE/FM/TM FourTrax Foreman Factory Service Manual, Page 213Get this manual
CRANKCASETRANSMISSIONCRANKSHAFTBALANCER Check the reverse idle shaft, mainshaft countershaft for abnormal wear or damageMeasure the shaft O.DSERVICE LIMITS: At M4: 21.93 mm (0.863 in) At M5: 16.93 mm (0.667 in) Reverse idle: 12.94 mm (0.509 in) Calculate the mainshaft gear bushing-to-shaft clearanceSERVICE LIMIT: 0.10 mm (0.004 in) Calculate the reverse idle gear-to-shaft clearanceSERVICE LIMIT: 0.10 mm (0.004 in) and