1999 Ski-Doo Factory Shop Manual Volume Two, Page 317Get this manual
Section 07 REAR SUSPENSION Subsection 03 (ARM SUSPENSION)
7, Swing Arm
Remove both shocksprings, strap axle, long spacer then M14 screwsWhen assembling, both arms must run parallelTighten nuts to 48 Nm (35 lbfft)
A03F36A
1Parallel A48 Nm (35 lbfft)
Install large washers with their concave side toward swing armApply Loctite 271 on M14 screw threads and on female threadsTighten to 135 Nm (100 lbfft)