1978 Ski-Doo Shop Manual, Page 61Get this manual
SECTION 02 SUB-SECTION 05 (PULLEY ALIGNMENT)
i PULLEY ALIGNMENT
Remove pulley guard and drive beltCheck tightness of engine mounts nutsWARNING: Always torque drive pulley bolt within specifications(See Technical Data)
OFFSET ADJUSTMENT
Insert 48 cm (19 inch) length of 38" to 58" square bar between driven pulley halvesNominal distance between pulleys
All other models
If the drive pulley is too far in or too far out, it can be corrected by sliding the slotted engine support toward appropriate side
DISTANCE ADJUSTMENT
To obtain maximum vehicle performance, adjust pulley distance as follows:
1Adjust pulley distance to nominal distance(Refer to
Technical Data)