1985 Ski-Doo snowmobile Service Manual, Page 52Get this manual

1985 Ski-Doo snowmobile Service Manual, Page 52

Quality of the image is intentionally reduced!

Section 02 ENGINE Sub-section 02 (253 ENGINE TYPE)
To remove gear retaining nut, first extract the needle roller with pliers then lock gear in place using no420 876 690 tool
14,15,30, Spri