1989 Ski-Doo Repair Manual, Page 280Get this manual
Section 03 TRANSMISSION Sub-section 03 (DRIVE PULLEY)
WARNING: Ensure that the track is free of particles which could be thrown out while track is rotatingKeep hands, tools, feet and clothing clear of trackEnsure nobody is standing near the vehicleAccelerate the vehicle at intermediate speed and apply the brake, repeat five timesReduce the screw torque to 88 N.m (53 Ibf.ft) then, ratorque to 95 N.m (70 Ibfft)WARNING: After 10 hours of operation the transmission system of the vehicle must be in spected to ensure the retaining screw is properly torqued
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