1972 Ski-Doo Shop Manual, Page 186Get this manual
3-01-01 Electrical
GENERAL
Electricity covers wide and complicated range therefore thorough coverage of electrical fundamental is not possible in this manualHowever, basic understanding of the electrical function of the Ski-Doo snowmobile is must for any person owning andor maintaining vehicle
voltage in the secondary winding of the high tension coil causes spark to jump across the spark plug electrodes
The purpose of the condenser is to reduce arcing at the pointsThe time required to charge the condenser, though very small, is sufficient to reduce the voltage rise at the points when they start to break open (fig3-1-3)
OPERATING PRINCIPLES