1985 Ski-Doo snowmobile Service Manual, Page 82Get this manual
Section 02 ENGINE Sub-section 04 (447 ENGINE TYPE)
5,13, Oil seal P.T.Dsideoil seal magneto side
At seal installation, apply light coat of lithium grease on inside diameter lip of sealsFor bearings lubrication purpose, gap of 10 mm L040") 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 shown9 Nom (80 Ibf.in) 3
All the other bolts are torque to 21 Nm (15 ibfft)
1009002005
21,26, Screw M8 45M8 70
The bigger screws have to be torque to 21 N.m (15 Ibfeft)1 mm