1999 Ski-Doo Factory Shop Manual Volume Two, Page 240Get this manual
Section 05 TRANSMISSION Subsection 08 (GEARBOX)
A29D12A
A29D14A
Remove brake shaft gearsUnbolt driven pulley shaft screw no11 and remove washerPush driven pulley shaft no15 out of gearbox until its LH gear no14 is against gearbox inner wall
Remove circlip then, gear no14Now driven pulley shaft can be pulled out from gearboxRemove sliding sleeve taking care not to lose balls no18 and spring no16