Home Forum Ask A Member antique johnson

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  • #204584
    Bruce Boardman
    Participant

      I have acquired an old Johnson motor and can’t seem to find an on-line resource for identifying age or horsepower. I’m hoping someone can help from photos attached. Additionally, if anyone knows a value (if any) that would be appreciated. I note a bracket for attaching steering on the back, parts on the carburetor for attaching a throttle, and an electrical plug for a kill-switch and wonder if this might have been for racing.

      20200531_124424

      20200531_124444

      • This topic was modified 4 years, 7 months ago by Mumbles.
      #204587
      frankr
      Participant

        US MEMBER PAY BY CHECK

        1941

        1 user thanked author for this post.
        #204589
        Mumbles
        Participant

          It sure looks like a KD-15 with the rewind starter and rear facing spark plugs. S/N 480009 would make it a 1945 model which seems about right as it has the post war Sea Mist Green on it.

          KD-15

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          #204591
          lloyd
          Participant

            US Member

            Model KD. 9.8 HP.

            1 user thanked author for this post.
            #204664
            need2fish
            Participant

              I have several Ks and will say it’s worth whatever someone will pay for it. There’s no guide for value or price. My last K-75 in runnable condition cost me $150. Model KR are race-ready and rarer so fetch more $.

              Many parts are interchangeable with the pre-war model K & KA alternate firing twin, shroud, recoil and carb excepted.

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              #204669
              squierka39
              Participant

                US Member

                As stated, it’s a KD-15. The plug for kill switch was added, maybe it was used with steering and a remote throttle. Nice running motors, have some fun with it.
                I’m curious to see how a throttle was hooked up, could you post pics of the carb?

                74B7DEC7-ECF3-49D7-9183-72D551DDB0E6

                • This reply was modified 4 years, 7 months ago by squierka39.
                • This reply was modified 4 years, 7 months ago by squierka39.
                • This reply was modified 4 years, 7 months ago by squierka39.
                1 user thanked author for this post.
                #204684
                Bruce Boardman
                Participant

                  Remote throttle attachment pic.

                  20200601_104851

                  • This reply was modified 4 years, 7 months ago by Mumbles.
                  #204704
                  David Bartlett
                  Participant

                    US Member

                    Interesting set-up!

                    David Bartlett
                    Pine Tree Boating Club Chapter

                    "I don't fully understand everything I know!"

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