1982 Ski-Doo Shop Manual, Page 96Get this manual
SECTION 02 ENGINE SUB-SECTION 05 (464 ENGINE TYPE)
CLEANING
Clean all metal components in non-ferrous metal cleaner_ CAUTION: Clean armature and magneto using only clean cloth
Magneto housing puller and ring
DISASSEMBL Y
To gain access to magneto assembly, remove:air silencerinjection oil reservoirfan beltfan and fan adaptorNOTE: Before disassembling magneto plate, indexing marks should be located to facilitate re-assemblyTo remove magneto flywheel retaining nut: lock crankshaft with crankshaft locking tool (service tool) as illustrated (magneto side piston must be at top dead center); remove magneto retaining nut
tighten puller bolt and at same time, tap on bolt head using hammer to release magneto from its taper