1999 Ski-Doo Factory Shop Manual Volume One, Page 212Get 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 alignment
GENERAL PROCEDURE
Remove guard
Tundra By turning and pushing the sliding half, open the driven pulleyTundra Use driven pulley opening tool (PN 529 034 200)S-Series without RER Use driven pulley opening tool (PN 529 035 500)S-Series with RER Use driven pulley opening tool (PN 529 035 501)All Models Remove drive beltInsert straight bar 9.5 mm (.375 in) square, 48 cm (19 in) long or the proper alignment template into the opened driven pulley-