2005-2006 Honda ATV TRX500FE/FM/TM FourTrax Foreman Factory Service Manual, Page 340Get this manual
REAR DRIVING MECHANISM GEAR TOOTH CONTACT PATTERN CHECK Keep dust and dirt Clean sealing material off the mating surfaces of the Apply Prussian Blue out of the case and gear case and cover, being careful not to damage cover, themApply thin coat of Prussian Blue to the pinion gear teeth for tooth contact pattern checkInstall the ring gear right shim onto the ring gearRING GEAR
RIGHT SHIM Install the ring gear with the shim into the gear caseInstall the ring gear left shim onto the ring gearRING GEAR
LEFT SHIM
It is important to turn the pinion gear while tightening the boltsIf the ring gear shim is too thick, the gears will lock after only light tightening
Install the case cover and tighten the bolts in several steps until the cover evenly touches the gear caseThen, while rotating the pinion gear, tighten the bolts to the specified torque in crisscross pattern in several stepsTORQUE: 10 mm bolt: 49 (5.0 kgf m, 36 Ibf-ft) mm bolt: 25 (2.5 kgf m, 18 Ibf-ft)