Re: 1976 Johnson 35HP magneto problem

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September 17, 2016 at 6:38 am #44166
billw
Participant

    US Member

    The A Team OMC guys will hopefully chime in on this to help me remember; but I wouldn’t use the UL81 plug or its NGK equivalent. The U means utility and means it has a built in gap to raise the firing voltage. If you use a straight L plug, say L86C or something, having the spark jumping out of the plug boot will be less likely…..

    Long live American manufacturing!