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  1. #1
    Cadet
    Join Date
    Mar 2005
    Location
    Waco,Texas
    Posts
    1

    Default 1972 evinrude sportster 25 hp proper spark plugs

    What are the proper spark plugs for this engine? Also I was tolod the oil mixture should be 50:1 is this correct?

  2. #2
    Petty Officer 1st Class
    Join Date
    May 2004
    Location
    Butler Pa
    Posts
    355

    Default Re: 1972 evinrude sportster 25 hp proper spark plugs

    champion J6C oil 50:1

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