1990-1998 Arctic Cat Snowmobiles Repair Manual, Page 350Get this manual
CHAPTER THIRTEEN
lOBOn models with nine bolts retaining the cover, the clearance should not exceed 0.20 mm (0.008 inInstall new bushing andor fixed sheave to reduce clearanceThe bushing can be pressed from the cover after removing the snap ring (22, Figure 5)11Measure the inside diameter of the bushing in the sliding sheave (Figure 39, typical)Record this diameter12Subtract the journal diameter (D, Figure 36), measured and recorded in Step 7, from the bushing diameter (Figure 39)13AOn models with six bolts retaining the cover, the clearance should not exceed 0.76 mm (0.030 inInstall new sliding sheave andor fixed sheave to reduce the clearance13BOn models with nine bolts retaining the cover, the clearance should not exceed 0.20 mm (0.008 inInstall new bushing andor fixed sheave to reduce clearanceThe bushing can be pressed from the sliding sheave after removing the snap ring (19, Figure 5)14Visually check each of the cam arm weights for wear or damageThe bushings (B, Figure 40) in the cam arms can be replaced, but the weight should be replaced if the cam surface (C, Figure 40) is damagedNOTE The weights may have been changed to tailor clutch operation for specific application, but all three cam arm weights should be exactly the sameDifferences will cause the unit to be out of balance