1962 Johnson "Electramatic" 40hp

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  • September 25, 2019 at 7:47 pm #184026
    David Bartlett
    Participant

      US Member - 2 Years

      I seem to remember previous discussions about these electric shift motors. I have a chance to pick one up with a working lower unit and the controls for very little money. Can a conventional lower be put on if the electric fails?

      Also, does the “L” in RK-24 L indicate a long-shaft or just a revision?

      Thanks, David

      David Bartlett
      Pine Tree Boating Club Chapter

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

      September 25, 2019 at 8:18 pm #184029
      wbeaton
      Participant

        Canada Member - 2 Years

        No. They are different. They also lack the provision on the side of the motor for the shift mechanism.

        Wayne
        Upper Canada Chapter

        uccaomci.com

        September 25, 2019 at 9:13 pm #184040
        frankr
        Participant

          US Member

          FYI, the shift switch in the control is getting hard to find and expensive if you do find one. Ditto, the electric cable leading down to the lower unit.

          Long shaft would be RKL. Trailing L means a revision if there was one.

          September 26, 2019 at 7:11 am #184050
          David Bartlett
          Participant

            US Member - 2 Years

            Thanks for the information. I am looking for a long shaft Super Quiet 40, and I guess this is a short shaft.

            I will keep looking for a regular shift model.

            David Bartlett
            Pine Tree Boating Club Chapter

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

            September 26, 2019 at 11:29 am #184061
            amuller
            Participant

              For what it’s worth, there are two fundamentally different types of OMC electric shiff, and the shift switches have to be wired accordingly, or bad results are likely.

              Many advise to avoid electric shift motors. This is probably wise unless you are electro/mechanically inclined.

              September 28, 2019 at 6:14 pm #184218
              fleetwin
              Participant

                US Member - 2 Years

                David
                The electric shift is worth the risk if all the wiring/controls are included and appear to be OK…This engine has a junction box with a regulator for the generator also, these items must be present…The generator must be operational to keep the battery up so the magnet/hub stays engaged/clamped together. Try to have a look at the gear lube before purchase…If the gear lube seems relatively clean, great….Skip the purchase if water is present.
                Yes, these engines are a little more challenging, and you might have to be patient in order to find a reasonably priced shift switch or other items…But, once completed, you will be rewarded with a very cool engine that shifts like a dream…

                October 1, 2019 at 7:25 am #184375
                David Bartlett
                Participant

                  US Member - 2 Years
                  fleetwin wrote:

                  David

                  The electric shift is worth the risk if all the wiring/controls are included and appear to be OK…This engine has a junction box with a regulator for the generator also, these items must be present…The generator must be operational to keep the battery up so the magnet/hub stays engaged/clamped together. Try to have a look at the gear lube before purchase…If the gear lube seems relatively clean, great….Skip the purchase if water is present.

                  Yes, these engines are a little more challenging, and you might have to be patient in order to find a reasonably priced shift switch or other items…But, once completed, you will be rewarded with a very cool engine that shifts like a dream…

                  Don,

                  Thanks for that information. Just to clarify something before I put this one to bed, will the long shaft kit for a regular shift motor work on one of these? I realize the conventional shift motors have a shift rod that won’t be used. The drive shaft is different, but I think that is it.

                  Thanks, Dave

                  David Bartlett
                  Pine Tree Boating Club Chapter

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

                  October 1, 2019 at 12:40 pm #184406
                  frankr
                  Participant

                    US Member

                    Yes the only difference in the extension kits is the shift rod, and of course the drive shaft length. Comparing apples with apples, that is. The “Super Quiet” models will not interchange with the non-Super Quiet ones. All J/E 40 hp models from the 1960’s are Super Quiet.

                    October 1, 2019 at 1:20 pm #184410
                    David Bartlett
                    Participant

                      US Member - 2 Years

                      Frank,

                      Thank you for the reply.

                      David Bartlett
                      Pine Tree Boating Club Chapter

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

                      October 1, 2019 at 1:31 pm #184411
                      Tom
                      Participant

                        US Member

                        Is there an extension for the wire harness? or is slack built in at the factory?

                        T

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