1989 Ski-Doo Repair Manual, Page 468Get this manual
Section 05 SUSPENSION Sub-section 06 (MONOS HOCK PRS SUSPENSION)
Rear shock absorber spring
The following table is general guideline only :
SNOW CONDITION Hill climbing Hard surface NUT COTTER PIN POSITION Close Far
The choice of different cam position on rear spring and spring itself depends on operator's weight, riding speed and terrain conditionsWith rider sitting on the vehicle, the suspension should collapse by 38 rnm (1-12 in)Adjust as necessaryOperator's weight l.ight Riding speed Low Field condition Flat Spring rate 78.9 Nrnm (16b Ibfin) Cam position 1
NOTE: Shock absorber springs with different stiffness are availableSeRshock absorber spring table3
33 .3 Nmrn (190 Ibfin) 73