2001 Ski-Doo Factory Shop Manual Volume Three, Page 178Get this manual
Subsection 05
Section 05 TRANSMISSION (PULLEY DISTANCE AND ALIGNMENT)
PULLEY DISTANCE AND ALIGNMENT 0
GENERAL
The pulley distance we will refer to in this section, is the space separating the drive and driven pulley outside diameters (Z measurement)This basic distance is provided as an assembly guide and indicates the dimensions between which satisfactory belt deflection will be obtainedBoth pulley distance adjustment and pulley alignment must be carried out to ensure the highest efficiency of the transmission systemFurthermore, optimum drive belt operation and minimal wear will be obtained only with proper pulley alignmentCAUTION: Before checking pulley adjustment, the rear suspension must be mounted on the vehicle and track tensionalignment must be doneAlways check pulley adjustment after suspension is adjusted
GENERAL PROCEDURE
Remove guard and drive beltBy turning and pushing the sliding half, open the driven pulleyInsert straight bar 9.5 mm (.375 in) square, 48 cm (19 in) long or the proper alignment template into the opened driven pulley