1999 Ski-Doo Factory Shop Manual Volume Two, Page 213Get this manual
Section 05 TRANSMISSION Subsection 03 (DRIVE PULLEY)
Recheck the torque of 90 to 100 Nm (66 to 74 lbfft)
WARNING
Governor cup has positions numbered to 6Note that in position there is no stamped number (due to its location on casting)See TECHNICAL DATA 10 for original settingAfter 10 hours of operation the transmission system of the vehicle must be inspected to ensure the retaining screw is properly torqued
DRIVE PULLEY ADJUSTMENT
The drive pulley is factory calibrated to transmit maximum engine power at predefined RPMFactors such as ambient temperature, altitude or surface condition may vary this critical engine RPM thus affecting snowmobile efficiencyThis adjustable drive pulley allows setting maximum engine RPM in the vehicle to maintain maximum powerCalibration screws should be adjusted so that actual maximum engine RPM in vehicle matches with the maximum horsepower RPM given in TECHNICAL DATA 10NOTE: Use precision digital tachometer for engine RPM adjustmentNOTE: The adjustment has an effect on high RPM onlyTo adjust, modify ramp end position by turning calibration screws