1989 Ski-Doo Repair Manual, Page 327Get this manual
Section 03
TRANSMISSION
(CHAINCASE)
Sub-section 07
1Oil seal
2345678.910Bearing cone Bearing cup Chaincase Oil deflecror Bearing cup Bearing cone Upper sprocket (small) Spong washer Castellated nut Cotter pin Breather Reinforcement Spacer (2) Spring (?) Chain ronsioner (2) Bushing (2) Screw (2) Taptite screw M6 30 (7) Carriage bolt M8 7.25 55 (4) Threaded sp,lcer (4)
222324252621282.930
37323334353637383.94041 42
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Shim (as required! Elastic stop nut M8 15 (4! Spacer (thicker! (3) Low!)r sprocket (large! Drive chain Spacer (thinner) (3! Snap ong O-ring Chaincase cover Drive axle holder Chaincase oil 250 ml (9 OZ! Special spacer (7! Drive axle Oil seal Bearing Connecting link, 38 in pitch Cranked link, 38 in pitch Inner link, 38 in pitch Support Washer Screw M6 30
REMOVAL
Chaincase and driven pulley can be removed from the vehicle as an assemblyRemove pulley guard and drive beltRemove clevis pin from the bracket