1929 Evinrude Sportwin

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  • November 8, 2025 at 10:24 am #301320
    Aidan Smith
    Participant

      US Junior Member

      Made a post about this awhile back… getting into the restoration of this 1929 N1 Folding Sportwin.

      I had an issue where it wouldn’t open up, it would just run at slow speeds.

      Checked pistons while I was cleaning up the cylinders, and they seem to be OK.

      Not sure what else could be holding it back. Carb has been gone through several times now.

      Good spark from what I can tell.

       

      IMG_1976

      In the photos, the powerhead is positioned in the “up” position, or how it is supposed to be installed.

       

      IMG_1973

      "Shells sink, dreams float. Life's good on our boat."
      1931 Johnson A-50
      1950 Mercury KF-7
      1951 Mercury KG-7
      1956 Johnson JW-12R

      November 8, 2025 at 11:38 am #301323
      Buccaneer
      Participant

        US Member

        You sure those pistons aren’t upside down?

        Prepare to be boarded!

        November 8, 2025 at 11:49 am #301324
        Aidan Smith
        Participant

          US Junior Member

          If I have to be honest, I am not 100% sure. Never had to deal with this as an issue before. Now that you say that, it does look like the exhaust side IS pointed up toward the spark plugs… your thoughts?

          "Shells sink, dreams float. Life's good on our boat."
          1931 Johnson A-50
          1950 Mercury KF-7
          1951 Mercury KG-7
          1956 Johnson JW-12R

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