1989 Ski-Doo Repair Manual, Page 473Get this manual
Section OS SUSPENSION Sub-section 01 (HINGED SUSPENSION)
NOTEOn this particular vehicle, the rear cross shaft holds both suspensionsTo work inside one suspension, lower the other suspension as follows:Lift rear of vehicle- Release track tension- Remove upper idler wheel set- Remove stabilizer bar- lDwer vehicle until it slightly contact the ground so that no pressure or vehicle weight acts on cross shaft- Withdraw rear cross shaft just enough to allow one suspension to be detached and thus, giving access to the inside of the other suspensionAdjustment screw
61, Adjustment cam
Position the adjustment cams of both suspensions at the lowest position
NOTE: When turning the external adjuster block from one suspension, the internal one of the same suspension will automatically turn at the same time because they are linked together by cross shaftAH side