2000-2003 Honda TRX350 Rancher factory service manual, Page 253Get this manual
FRONT DRIVING MECHANISM (FMFE models) Replace the pinion shim with thicker one if the contact pattern is too high, toward the faceReplace the pinion shim with thinner one if the contact pattern is too low, toward the flankThe pattern will shift about 0.5 1.0 mm (0.02 0.04 in) when the thickness of the shim is changed by 0.12 mm (0.005 in)Pinion shims: L: 1.64 mm (0.064 in) M: 1.70 mm (0.067 in) N: 1.76 mm (0.069 in) A: 1.82 mm (0.072 in) B: 1.88 mm (0.074 in) TOO HIGH: FACE FACE
DRIVE SIDE
COAST SIDE
1.94 mm (0.076 in) 2.00 mm (0.079 in) 2.06 mm (0.081 in) 2.12 mm (0.083 in) 2.18 mm (0.086 in) TOO LOW:
PINION SHIM
For pinion shim replacement, see page 15-16