Home Forum Ask A Member Problem converting Johnson1955 25 hp RD-17S to RDE-17(mounting starter)

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  • #189505
    outboardnut
    Participant

      US Member

      Let me start out saying that-
      1.The carb has been rebuilt and is from a RD-17S. I don’t have a RDE-17 carb to compare with. All I have are parts lists from both.
      2. This motor will be used with a tiller-so I don’t care about having electric choke.
      3.The upper carb body(#57) on both RD-17S to RDE-17 have the same part number.
      4.I was able to obtain a starter (MAK 4033 4K),correct starter bracket and flywheel.
      The problem I am having is-
      When I try to mount the starter .The starter bracket hits #55 lever.(see RD-17S parts list).I noticed on the RDE-17 parts list that there is no lever. My plan is to find the type of throttle shaft(#47) (376239) that is used on a RDE-17 and eliminate the lever and replace with washer and cotter pin.
      But if I do that the rear butterfly(throttle valve) with not be able to be activated when I pull on the choke knob.
      Also
      #68 (choke rod)is different on each carb. Would I have replace that also??
      Also
      Any advice on removing the two screws that hold throttle valve(#52) to the throttle shaft?? I did this once a long time ago and I remember having some kind of problem
      Also
      Since I don’t have a RDE-17 carb. A picture of the area where #55 is would be appreciated along with thoughts and advice.
      Thanks Al 630-624-8382

      1955-RD-17S-carb-pic

      1955-RDE-17-carb-pic

      1955-RD-17S-carb-list

      #189519
      outboardnut
      Participant

        US Member

        1955-RDE-17-carb-list-2

        #189526
        dave-bernard
        Participant

          US Member

          Can you modify the bracket ? just a thought.

          #189528
          outboardnut
          Participant

            US Member

            If I did that I think I would compromise the starter housing

            • This reply was modified 4 years, 5 months ago by outboardnut.
            #189533
            Buccaneer
            Participant

              US Member

              Not sure if this will help, but it’s my RDE-17

              DSCN6904

              DSCN6905

              DSCN7116

              DSCN7118

              Prepare to be boarded!

              #189543
              outboardnut
              Participant

                US Member

                Thanks Buc Thats what I wanted to see
                Buc Please check your private messages

                #189544
                outboardnut
                Participant

                  US Member

                  this is what my carb looks like from RD-17S

                  20191217_180452

                  #189552
                  Buccaneer
                  Participant

                    US Member

                    Looks like your carb gives you a fast idle when you pull the choke out.
                    Perhaps you can find the correct carb parts or do some kind of
                    modification?

                    Prepare to be boarded!

                    #189557
                    frankr
                    Participant

                      US Member

                      Looks like they didn’t figure an electric start motor would be rope started often enough to need a throttle kicker.

                      #189563
                      outboardnut
                      Participant

                        US Member

                        spring-side

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