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  1. June 30th, 2010, 10:33 PM #1
    Scooby Rex
    [OP] Scooby Rex is offline
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    Question Which Spark Plug for my Johnson 115 Outboard?

    I just got a 1976 Roughneck bass boat. It has a 115 Johnson outboard on it. I just pulled the plugs and on one side it had UL77V plugs and on the other side it had L78V plugs. I really don't want to run 2 different kind of plugs on the same engine and I think they could probably use replacement anyway. What are the best (and cheapest) plugs to put in my engine? Also, surface gap or standard? What gap size if standard plug is used?
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  2. June 30th, 2010, 10:54 PM #2
    tashasdaddy
    tashasdaddy is offline
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    Default Re: Which Spark Plug for my Johnson 115 Outboard?

    look at the chart right here http://www.docstoc.com/docs/4877037/...Outboards-thru
    FLORIDA GATORS
    TEBOW Country



    Please, NO PM's (Private Messages) regarding boat/engine problems. they will not be answered.
    That is what these forums are for. Post your questions, in the appropriate Forum.
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  3. July 17th, 2011, 09:40 PM #3
    Jking274
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    Default Re: Which Spark Plug for my Johnson 115 Outboard?

    Thanks for your help!!
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