1986 Ski-Doo Factory Shop Manual, Page 93Get this manual
Section 02 ENGINE Sub-section 04 (447 ENGINE TYPE)
ASSEMBLY
13,18,21,22, Armature plate, magneto flywheel, lock washernut
Position the armature plate on the crankcase aligning the marks on bolh parts, Clean crankshaft extension taperApply Loctlte 242 Iblue, meoi_.iI strength) on taperPosition key, magneto flywheel and lock washer on crankshaftClean nut threads and apply Loctite 242 (blue, medium strength) before tightening nut to 85 N.rn 163 Ibhft) At reassembly coat all electric connections with silicone dielectric grease to prevent corrosion or mOisture penetration,