1983 Ski-Doo Shop Manual, Page 250Get this manual
SECTION 05 SUSPENSION SUB-SECTION 02 (SLIDEMX SUSPENSIONS)
REAR SUSPENSION ADJUSTMENT
Shock spring adjustment
The rear suspension may be adjusted by turning the shock absorber cam collars with the adjustment key
NOTE: It is possible to use "Optional" shock springs (PIN 503 069 400) on rear shock absorbers(See shock spring diagram CAUTION: Optional parts are calibrated to operate togetherFailure to follow this recommendation may affect handling of the vehicle
SUSPENSION SPRING IDENTIFICATION
Shock springs
Inside diameter
Free11 length
1st 2nd 3rd
Position: For rider weight of to 68 kg (0 to 150 IbslPosition: For rider weight of 68 to 82 kg (150 to 180Ibs)PositionFor rider weight of 82 kg (180 Ibs) and higher