1972 Ski-Doo Shop Manual, Page 74Get this manual
1-12-04 ASSEMBLY
CHAIN CASE
1Prior to Assembly procedure, ensure all components are clean and all defective parts have been repaired or replaced2Position oil retainer ring with concave side
of ring seated on shoulder within the chain
Sit bearing cup in chain case apertureCup must be seated so that wider tapered end is facing retainer ring (fig1-12-7)Bring cup