Reply To: 1956 Johnson 30hp Only 1 Cylinder Firing

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July 10, 2024 at 1:58 pm #289028
Don
Participant

    US Member

    Just want to review to make sure I haven’t missed anything or misunderstood.  What you are saying is that both plugs are firing, but the engine seems to be running on only one cylinder?  If so, have you figured out which cylinder is not functioning?  I know it is tough, but a video (link would be fine as well) showing the engine misbehaving would be very helpful