2003 Ski-Doo ZX Series Factory Shop Manual, Page 235Get this manual
Section 05 TRANSMISSION Subsection 05 (PULLEY DISTANCE AND ALIGNMENT)
A32D12A
1Loosen lock nut first 2Loosen
Pulley Distance Adjustment Method
Engine Movement The engine support has slotted mounting holesMove engine to obtain specified distance between pulleys
Pulley Alignment Method