2001 Ski-Doo Factory Shop Manual Volume One, Page 196Get this manual
Section 05 TRANSMISSION Subsection 03 (DRIVE PULLEY)
26,28,29, Calibration Screw, Locking Nut and Governor Cup
Calibration screw has notch on top of its head
Each number modifies maximum engine RPM by about 200 RPMLower numbers decrease engine RPM in steps of 200 RPM and higher numbers increase it in steps of 200 RPMExample: Calibration screw is set at position and is changed to position 5So maximum engine RPM is increased by about 400 RPMTo Adjust: Just loosen locking nut enough to pull calibration screw partially out and adjust to desired positionDo not completely remove the locking nutTorque locking nuts to 10 Nm (89 lbfin)CAUTION: Do not completely remove calibration screw otherwise its inside washer will fall offCAUTION: Always adjust all calibration screws and make sure they are all set at the same numberA16D0FA