1985 Ski-Doo snowmobile Service Manual, Page 397Get this manual
Section 05 SUSPENSION Sub-section 03 (TRS SUSPENSION)
28, Adjustment cams
Position the adlustment carns at the lowest position
At assembly, position the rivet head outside of the runner on suitable metal block and hold the assembly firmly in placeWith flat head punch and hammer secure the rivet in place
Right hand sille
Flat head punch
Left hand side
Lowest position