2006-2009 Honda TRX680 (TRX 680 FA-FGA) Factory Service Manual, Page 460Get this manual
FRONT DRIVING MECHANISM If the backlash is excessive, replace the ring gea tett side shi with hinn er oneIf the back lash is too small, reptace th ri ng gea left
side shim wit thic ker oneThe backlash is changed by about 0.06 mm (0.002 in) hen the thickness of the shim is changed by 0.10 (0.004 in)NOTE
RIGHT SHIM LEFT SHIM
Tw enty -th ree ifferent thi ckness shims fire available from he hi nnest 10 .50shim 10he thickest (1.60shim in increments of 0.05 mRing gear shim s:
A: (t hinnest I: 0.50 mm 10.020 inl
K: (standard): 1.00 mm (O.039 in)
W: (t hickest ): 1.60 mm (0.063 in!