1983 Ski-Doo Shop Manual, Page 144Get this manual
c Install governor cup correctly as per illustration making sure that the rollers are sliding on their ramp_ CAUTION: Ensure rollers are in good condition" Replace as required
SECTION 03 TRANSMISSION SUB-SECTION 03 (DRIVE PULLEY)
WARNING: Shim(s) is(are) used to obtain neutral function of the drive pulley when engine is idlingProceed as follows when retaining bolt is torqued: With new drive belt installed, you should be able to insert minimum of 0.80 mm (,030") thick feeler gauge on each side of the drive belt simultaneously when pushing drive belt to sit on bearing