1985 Ski-Doo snowmobile Service Manual, Page 63Get this manual
Section 02 ENGINE Sub-section 03 (377 ENGINE TYPE)
5,13, Oil seal P.T.Osideoil seal magside
At seal installation, apply light coat of lithium grease on inside diameter lip of sealsFor bearing lubrication purpose, gap of 1.0 mm (,040") must be maintained between seals and bearingsWhen installing plain seals (without locating ring or without spacing legs), ensure to maintain the specified gap as illustrated
Follow sequence shown
All the other bolts are torque to 21 N.m 115 Ibf.ftl
9 N.m 180 Ibfn)
9 N.m 180 Iblo,n)