2001 Ski-Doo Mini Z Factory Shop Manual, Page 126Get this manual
Section 07 REAR SUSPENSION Subsection 02 (REAR SUSPENSION)
19,20, Upper Idler Wheels
Remove bushing no20 and idler wheel no19 from shaft no4, as shown in the next photoClean parts and check for wear and bearing condition
A31F0HA
CHECK BUSHING, WHEEL AND SHAFT CONDITION