1999 Ski-Doo Factory Shop Manual Volume One, Page 200Get this manual
Section 05 TRANSMISSION Subsection 04 (DRIVEN PULLEY)
A05D12B
RED SLIDER SHOES ON PULLEY HALF
420 876 512
A05D11B
2,4,5, Roller Pin, Outer Cam and Spring
Insert spring in adjusting hole no3 into sliding half, as illustrated2,9, Slider Shoe