1978 Ski-Doo Shop Manual, Page 286Get this manual

1978 Ski-Doo Shop Manual, Page 286

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SECTION 05 SUB-SECTION 03, (MERC-O-TRONIC TEST)
6 Pass the Insulation Test Probe tip over the insulating surface of the coil and spark plug wireIf coil insulation is cracked, leaking or damaged,