1964 Evinrude 28HP Choke Conversion

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  • August 29, 2021 at 8:04 pm #245730
    bob-d
    Participant

      US Member

      Just did a electric choke conversion. Can the experts take a look before I button it up, and let me know if the linkage looks
      correct? Don’t have much experience with electric starts and chokes.
      Thanks,
      Bob D

      FF77C70A-E9B1-416B-ACC9-A67D1B199DAA

      August 29, 2021 at 8:15 pm #245737
      Bob Wight
      Participant

        US Member

        I’m certainly not an expert but it sure looks right to me.

        Bob

        1937 Champion D2C Deluxe Lite Twin
        1954 Johnson CD-11
        1955 Johnson QD-16
        1957 Evinrude Fastwin 18
        1957 Evinrude 3022
        1958 Johnson QD-19
        1958 Johnson FD-12
        1959 Johnson QD-20

        “Every 20 minute job is only a broken bolt away from a 3-day project.”
        "Every time you remove a broken or seized bolt an angel gets his wings."

        August 29, 2021 at 8:22 pm #245738
        bob-d
        Participant

          US Member

          Thanks Bob, the only thing that concerns me is that the rear butterfly no longer moves as it did when you pulled the choke manually.
          Bob D

          August 30, 2021 at 4:05 am #245759
          frankr
          Participant

            It looks right (I think). By “rear butterfly”, do you mean the choke butterfly or the throttle butterfly?

            August 30, 2021 at 1:12 pm #245789
            bob-d
            Participant

              US Member

              Frank ,I mean the throttle butterfly.
              When you pull the long flat brass choke rod manually, it actuates the small lever on the left of the rear of the carb body, which opens the throttle butterfly about 1/4”.
              It doesn’t seem like the electric choke has a provision to do this, in addition to closing the choke butterfly?
              I checked the 1965 33 HP electric choke on Marne engine, and they have eliminated the small lever on the rear, so I guess it my choke conversion should work ok, even without opening the throttle butterfly a crack on startup?
              Thanks,
              Bob D

              5D4B4883-371F-4B8F-99AD-02AAF0FA9A94

              August 30, 2021 at 1:20 pm #245793
              dave-bernard
              Participant

                US Member

                your controls will open the butterfly.

                August 30, 2021 at 1:43 pm #245794
                frankr
                Participant

                  Correct, bob. The electric choke does not crack open the throttle butterfly. No need to, with the faster electric cranking speed

                  August 30, 2021 at 1:51 pm #245795
                  bob-d
                  Participant

                    US Member

                    Interesting, thanks Frank.

                    September 2, 2021 at 10:56 pm #246006
                    Nicholas Keller
                    Participant

                      US Member

                      A great post doing same thing to a 1970 22ci 25 hp Johnson and this answers most of my questions. Except my Johnson manual start had no provisions to operate the throttle butterfly either but I have an 18 hp evinrude 1965 that has linkage to do so it was manual start as well. However I understand there was a bit of a switch in design somewhere between 1969 and 1970

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