1997 Ski-Doo Factory Shop Manual Volume Two, Page 161Get this manual
Section 04 TRANSMISSION Sub-Section 04 (DRIVEN PULLEY)
ADJUSTMENT
Refer to PULLEY DISTANCE AND ALIGNMENT 04-05 to adjust pulley distanceAdjust drive belt height in driven pulley to obtain specified belt deflection
1 529 0065 00
5, Spring
General It is usual to experience spring setting during breaking period of new springThe factory spring preload is slightly higher to compensate for spring settingSpecifications in TECHNICAL DATA 09-03 are applicable after break-in period (about 10 hours of use Spring Torsional Pre-Load To check spring pre-load adjustment, use spring scale hook (PN 529 0065 00) and spring scaleRemove drive beltInstall the hook on the sliding halfPreventing fixed half from turning, pull sliding half with the spring scale perpendicularly with pulley axleTake 1st measurement when sliding half begins to turnRotate sliding half to 10 mm (38 in) of rotationHold fish scale at this positionSlowly release tension from fish scale and take nd measurement when sliding half begins to returnSpring pre-load is the average measurement between these 22nd measurement 1st measurementSpring (when opening) (when closing)pre-load Example: 3.8 kg (8.4 lb) 3.4 kg (7.5 lb)(when opening) (when closing) 3.6 kg (8 lb) Actualspring pre-load