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    Year and gas mixture

    I have a 1974 boat with a Mercury 8o h/h 800 serial # 3147697 what year is this and is the oil/gas mixture 50:1. Thanks
  2. E

    Year and gas mixture

    I have a 1974 boat with a Mercury 8o h/h 800 serial # 3147697 what year is this and is the oil/gas mixture 50:1. Thanks
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