1997-2001 Honda TRX250 Fourtrax Recon Service Manual, Page 270Get this manual
REAR DRIVING MECHANISM If backlash is too small, rep lace the ring gear left side spacer with th icker one Back las is changed by about 0.06 mm (0.002 inl when thickness of the spacer is changed by 0.12 mm (0.005 in)
RING GEAR SPACERS: Eleven spacers (from to Kl are available in thickness intervals of 0.06 mm Standard: 1.56 mm (0.061 in Thinnest: 1,26 mm (0.050 in) Thickest: 1.86 mm (0.073 in)
Change the left side spacer and equal th ickness and opposite amount of what the right side spacer was changed; if he right spacer was rep laced with 0,12 mm (0,005 in) th icker spacer, rep lace th left spacer with one that is 0.12 (0.005 in) th innerLEFT RING GEAR SPACER