1982 Ski-Doo Shop Manual, Page 205Get this manual
SECTION 03 TRANSMISSION SUB-SECTION 03 (DRIVE PULLEY)
To install or remove "Duralon" bushing from hub plug, use suitable pusher and hammer or pressInstall bushing as per illustration
INSPECTIONCLEANING
Drive pulley should be inspected annuallyCheck general condition of pulley and inspect "Duralon" bushing faces, as per illustrations
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"Duralon" bushing