1986 Ski-Doo Factory Shop Manual, Page 444Get this manual
Section 05 SUSPENSION Sub-section 05 (PRS SUSPENSION)
INSTALLATION
- Lift the rear of vehicle off the ground about 850 mm
84, Rear axle
- Unscrew track tension adjustment screws allowing the rear axle to be placed in its most forward position,There are holes on the side and holes underneath to fix retainer plate to the frame- There are holes to fix runner to the rear shackleUsually the suspension is fixed on the vehicle at the center hole (rear shackleretainer plate), Select the proper hole to compensate track length variation
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46,51Limiter screwnut
- Screw nut until the desired number of threads exceed it