1989 Ski-Doo Repair Manual, Page 552Get this manual
Section 06 STEERINGSKIS Sub-section 02 (SKI SYSTEM)
INSPECTION
23, Ski leg boot
Check for tears or cuts, replace if damaged
12,30,31,32, Bushing, skirunner
Check for wearRunner should not be worn more than halfReplace parts as needed
Check for cutsPresence of grease below indicates leak so replace it
33,49, Seal
Check seal for cracks, tears or cutsReplace as neededPresence of grease on the upper end of steering arm indicates seal #49 malfunction A019 006 016