1989 Ski-Doo Repair Manual, Page 421Get this manual
Section 06 SUSPENSION Sub-section 02 (SLIDE SUSPENSION)
RIDE ADJUSTMENT
25, Adjustment cam
The front adjustment cams are used for snow condition, and the rear for driver's weightThe front adjustment cams should be positioned at the lowest elevation for deep snow conditionsA higher elevation is preferred when negociating icy snowThe rear adjustment cams should be adjusted to rider preference