1972 Ski-Doo Shop Manual, Page 130Get this manual
2-02-04 NOTE: On all electric start models, the starter gear becomes detached from engine with the magneto platefan assembly13On manual start engines, remove the four (4) nuts and washers affixing the fan to magneto plateRemove fanCAUTION: Never place magneto down on bare surface as dirt andor metal particles can affect the efficiency of the magneto ringAlways place magneto on clean, dry cloth14On electric start engines, remove the eight (8) capscrews and washers affixing starter gear to fanRemove starter gear (fig2-2-8).l.abvrjn
SINGLE CYLINDER ENGINE