1986 Ski-Doo Factory Shop Manual, Page 448Get this manual
Section 05 SUSPENSION Sub-section 05 (PRS SUSPENSION)
CAUTION: Left and right adjuster ring must 'Y ways be set at the same position
NOTE: Softer "optional" shock springs are available for shocks absorbers(See shock spring tables)
Center shock spring PIN 503 0904 00Rear shock spring PIN 509 0903 00
46, Limiter screw
The function of the suspension limiter screw is to control the transfer of vehicle weight during acceleration The shorter the screw threads exceed nut, the more the weight will be transferred to the track to provide better tractionThe longer the screw threads exceed nut, the lesser the weight will be transferred to the track, thus maintaining more positive directionLimiter screw allows to adjust weight transfer according to driver's requirement, field andlor snow conditionsAs guideline here are the preferred positions: