Re: 1974 Johnson 15 hp runs on 1 cyl at low speed

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October 7, 2016 at 1:23 am #45355
timmy3131
Participant

    I ran it tonight and pulled the cover off. The bottom spark plug was arcing between the cyl. And the 13/16 hex part that the wrench goes on. This is a new coil I installed. Could I have done something wrong?