1997 Ski-Doo Factory Shop Manual Volume One, Page 243Get this manual
Section 06 REAR SUSPENSION Sub-Section 04 (DRIVE AXLE)
cure with 50 mm long screws
orCAUTIONWhen installing one shimsemore between chaincase and frame,
BEARING POSITION (A) TOWARD FRONT OF VEHICLE SHIM LOCATION LOWER (B) (C) (D) TOWARD TOWARD TOWARD REAR OF BOTTOM TOP OF VEHICLE OF VEHICLE VEHICLE UPPER UPPER LOWER
A01D05A
This chart can be use as "starting point" to correct the chaincase perpendicularity
TYPICAL 1Set screw 2Slacken 3Tighten
Extract bearing from its supportWrong chaincase perpendicularity will make it difficult to correctly install the bearing in its support due to the countershaft and support misalignment