1989 Ski-Doo Repair Manual, Page 444Get this manual
Section OS SUSPENSION Sub-section 04 (SP SUSPENSION) -
3, Rear adjuster ring
The rear adjuster ring should be adjusted to rider preferenceThe rear suspension may be adjusted by turning the shock absorber adjuster ring using the adjustment wrenchPosition the adjuster rings according to the following chart :
54, Stopper strap
The function of the suspension stopper strap is to control the transfer of vehicle weight during accelerationThe longer the belt, the more the weight will be transferred to the track to provide better tractionThe shorter the beh, the less the weight will be tranferred to the track, thus obtaining more positive steeringAdjusting holes on the stopper strap allow adjustment it according to drivers' requirements, field andor snow conditionsFor normal use locate bolt through 2n3 holes and 5""' hole as shown