2001 Ski-Doo Factory Shop Manual Volume One, Page 204Get this manual
Section 05 TRANSMISSION Subsection 05 (PULLEY DISTANCE AND ALIGNMENT)
Pulley Distance Adjustment Method
S-Series
Engine Movement The engine support has slotted mounting holesMove engine to obtain specified distance between pulleys
Pulley Alignment Method
Driven Pulley Movement When engine slotted mounting holes do not allow to set proper pulley offset X, adjust with shims (PN 504 108 200) between pulley and countershaft bearing support (pulley pushed toward brake disc)Engine Movement Loosen the bolts retaining engine support to the framePosition engine to obtain the specified alignmentNOTE: After alignment, adjust torque rod so it slightly contacts stopper plateDo not over tighten, it will disalign pulleys1