1986 Ski-Doo Factory Shop Manual, Page 452Get this manual
Saction 05
SUSPENSION
(REAR AXLE)
Sub-section 06
REMOVAL
lift and block reaf of vehicle off the ground
2,3,416,17, Rear axle, sprocket, mobile flange boltnut
At assembly on the Elan, replace rivets using screWS 34" with elastic stop nutsSecure idler wheels and flanges using bolts and nuts tightened in the following sequence to 4.3 N-m (38 Ibf-in)Torque sequence
7, Link plate spring
Using an appropriate tool, unlock link plate springs
5,6, Retainer washerlock nut
Remove the link plate spring lock nuts and retainer
washers