Like said below, the electric start has nothing to do with the ignition system. Unhook the wiring harness so that you illimiate all of the switches and wiring from the equasion. You will have a lighting and primary ingnition coil on the stator plate under the flywheel as well as the trigger coil. A shop manual for the sled will give the resistance tolerances for the ignition and triggers coils. If they are good you have the CD box and the coil the spark plug wires are attached to on the outside of the engine somewhere. The item that usually fails first on those old yammers (sleds and bikes) is the coil the spark plugs wires come out of and they are fairly cheap. Unless technology has changed, the CD box is the only component you can't test for failure. Nippondenso CD boxs rarely failed, but it did happen occansionally.
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Today's Featured Article - Tractor Profile: Oliver 70 Row Crop - by Staff. The Oliver 70 was part of the "Fleetline Series" and was manufacturered from 1937 to 1948. The row-crop configuration could have either dual or single front wheels. The Oliver 70 was also offered in the standard, orchard and industrial configurations. The tractors were sold in Canada. An early advertisement states "Power when you want it - power when you need it - power to help put in crops when field conditions are right and time and help are limited. That's the power you'll find in an Oliv
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