2003 Honda ATV TRX650FA Rincon Factory Service Manual, Page 393Get this manual
REAR DRIVING ECHANISM GEAR TOOTH CON TACT PATTERN CHECK Keep dus and dirt Clean the ma ing surfaces of he gea case and
out of the case and
Ap ply hin coa of Pru ss ian Blue th pi ni on gea teet or tooth co ntact attern checkInst all he ring gear shi nto th rin gea r
Inst all th rin gear it he shims into the gea r
A lig th bo lt ho les and in st all he case cove rInsta ll he cover bo lt and tig hten them in severa steps un il he cove evenly to uc hes th gea case white tightening the he n, whi le rotat ing he pin io ge ar, ig hte he boltsIf the ring bo lt he specified torque in rissc ross patt ern gear shims is too in seve ra stepsIt is important to turn the pinion thickthe gears ill lock after ontv fight