1986 Ski-Doo Factory Shop Manual, Page 91Get this manual
Section 02 ENGINE Sub-section 04 (447 ENGINE TYPE)
CLEANING
Clean all metal components In non-ferrous metal cleaner
,CAUTION: Clean armature and magneto using only clean cloth
18, Magneto flywheel
To remove magneto housing (flywheel):lock crankshaft with crankshaft locking tool (service tool) and adjust magneto housing puller and puller ring (service tool) as illustrated
DISASSEMBLV
19,20,22, V-beit pulley, starting pulley, &
To gain access to magneto assembly, remove:
injection oil line rewind starter starting and V-belt pulley
NOTE: Before disassembling magneto plate, indexing marks should be located to facilitate reassemblyAOO9002012