2004-2006 Honda FourTrax Rancher TRX350TE/TM/FE/FM Service Manual, Page 302Get this manual
FRONT DRIVING MECHANISM (FMFE model) If the backlash is excessive, replace the ring gear left side sh im with thinner neIf the backlash is too sma llreplace the ring gea left side shim with thicke neBacklash changed by about 0.06 mm (0.002 in) when th ickness of the shim is changed by 0.10 mm (0.004 in)NOTE
Twenty-three different thickness shims are ava lable fro the thinnest (0 .50 mm thickness: A) shim to the thi ckest (1.60 mm thicknessW) in in terva ls of 0.05 mm Ring gear shims: A: (thinnest): 0.50 mm (0.020 inK: (standard): 1.00 mm (0.039 inW: (thickest): 1.60 mm (0.063 inChange th right side shim as follows: If th left shim was rep laced with 0.10 mm (0.004 in) thicker shimreplace the right shim with one that is 0.10 mm (0.004 in) thinner