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

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October 7, 2016 at 11:16 am #45367
timmy3131
Participant

    The spark plug boot was new when I installed the coil. I will clean the porcelain also but here is a question I have. Is there any reason why we have to use the style of plug caps that they come with and why I couldn’t use the ones that screw in the end of the coil like on a snowmobile or Atv?