1984 Ski-Doo Shop Manual, Page 378Get this manual
SECTION 06 STEERINGSKIS SUB-SECTION 02 (SKI SYSTEM)
Optional parts
The front suspension may be tuned to the rider's specific requirement using the optional following parts- Shock springs PIN 503 0694 00 (see rear shock springs diagram, section 05-02)Carbide runners PIN 414 1964 00 can replace the standard short runner or can be installed on the optional skis CAUTION: Optional parts are calibrated to be op" erated togetherFailure to follow this recommendation may affect handling of the vehicle
Front shocks specifications
FRONT SHOCK (without spring)
NOTE: The "ski system" must be greased at an interval of 1200 to 1600 kilometers (800 to 1000 miles)