Re: 1975 Johnson 135 No spark starboard side

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July 7, 2016 at 1:28 am #39762
Don
Participant

    US Member

    Cool, I’m glad it is working out without spending big bucks…Remember, this is a high compression engine, I would go heavy on the oil and use premium fuel….Make sure it is propped right and spins up a minimum of 5500RPM at WOT. Once everything is worked out, you will want to pull those carbs down to inspect the high speed jets. If it were mine, I would increase jet size by .002" as well….