Reply To: 1960 Johnson 3 HP JW-16

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March 20, 2021 at 6:44 pm #234423
JACQUES
Participant

    I found problem number one – cheap coils made. in china -new coils = good spark both plugs

    interesting…. I have used several and all work fine …. did you happen to do some measurements on the primary to primary and primary to High voltage pin ??

    Joining AOMCI has priviledges 🙂