2004 Ski-Doo Elite Factory Service Manual, Page 237Get this manual
Section 06 TRANSMISSION Subsection 04 (PULLEY DISTANCE AND ALIGNMENT)
Retighten the engine supportsAdjust all torque rods so they slightly touch the engine block or engine support depending on their location
Drive Belt Deflection
NOTE: When pulley distance and alignment are adjusted to specifications, refer to DRIVE BELT to adjust drive belt deflectionCAUTION: This section deals mainly with adjustment proceduresFor complete assembly requirements, refer to the proper ENGINE or TRANSMISSION installation section