1985 Ski-Doo snowmobile Service Manual, Page 151Get this manual
Section 02 ENGINE Sub-section 07 (503 ENGINE TYPE)
The ground terminal from generating coil must be fastened under this clip
AOQ1002005
CAUTION: Before reinstalling magneto, remove the loose epoxy from harness
ASSEMBLY
1, Armature plate
Position armature plate on crankcase, aligning marks on both parts
7, Loctite 242
Clean crankshaft extension taper Apply Loctite 242 (blue medium strength) on taper