1985 Ski-Doo snowmobile Service Manual, Page 416Get this manual
Section 05
Sub-section 06
SUSPENSION (REAR AXLE)
REMOVAL
Lift and block rear of vehicle off the ground
2,3,4,16,17, Rear axle, sprocket, mobile flange boltnut
Secure 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
8,9,10,11,12, Eye bolt, hardened washer, adjuster bolt, washer (Elan)sleeve
Remove track adjuster bolts, eye bolts, hardened washers and adjuster sleevesWithdraw rear axle from vehicle