Home Forum Ask A Member 1963 Evinrude 75hp

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  • #225922
    joecb
    Participant

      US Member

      Looks real clean. Like said , no generator. Adding a generator may be a significant project, will need a voltage regulator (in the control box) and not sure if the existing wire harness is set-up for the generator. I do know that adding the generator drive belt requires removing the flywheel. .
      You will need someone more familiar with this model to answer those questions.

      Joe B

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      #225923
      joecb
      Participant

        US Member

        I just went and checked the service manual … there is a detailed 4 page instruction as to installing the “generator Kit” . Apparently no voltage regulator is required and the existing junction box remains, just the installation of a couple fuses. No mention of replacing the wiring harness, so I guess that all the required wires exist. A new dash panel with an amp meter is required. Looking like a pretty major job requiring all the correct parts.

        Joe B

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        #225925
        frankr
        Participant

          US Member

          Oh, but it does need a voltage regulator included in the kit. It goes in the junction box with a special deep cover. Which brings up another point. Notice where your junction box is located. That was one of the major problems with those motors. Imagine what happens when a couple inches of water accumulate in the bilge. Now imagine a $100+ voltage regulator in that box. Go a step further and imagine one of those complex junction boxes used on the Electric shift with alternator. Add salt water to the picture.

          75hp

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          #225998
          gbeardmore
          Participant

            Oh, but it does need a voltage regulator included in the kit. It goes in the junction box with a special deep cover. Which brings up another point. Notice where your junction box is located. That was one of the major problems with those motors. Imagine what happens when a couple inches of water accumulate in the bilge. Now imagine a $100+ voltage regulator in that box. Go a step further and imagine one of those complex junction boxes used on the Electric shift with alternator. Add salt water to the picture.

            75hp

            WOW! Thank you so much for your thoughts regarding the junction box location! I’m honestly amazed it would have been installed there in the first place. I don’t imagine it would be too difficult to move it up, so it sits ON that beam… correct?

            #226002
            frankr
            Participant

              US Member

              Whatever it takes to get it as high as possible. I’ve moved many of them back in The Day. Usually after they took a good sousing in salt water.

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              #226019
              dave-bernard
              Participant

                US Member

                when you move it up high. remember to try to cover it from splash over the transom. a little sealer around the box cover.

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                #234736
                gbeardmore
                Participant

                  OOPS, double post.

                  • This reply was modified 3 years, 7 months ago by gbeardmore.
                  #234739
                  gbeardmore
                  Participant

                    UPDATE: Well we did the deal and the whole rig is safely parked in my garage waiting for spring! Prior to the purchase the PO had the motor gone over by a local shop that still works on these old motors. Among other things (plugs, wires, etc.) he had the impeller changed and then the L/U filled with new oil.

                    I wiped down the motor a few days ago and noticed an oil leak on the L/U. So thinking it might be overfilled I loosened the upper plug to relieve any pressure. This morning I find it’s still leaking. The photo below shows where its leaking from and the other pic shows how much oil landed on the floor overnight. Do y’all think this is cause for alarm? Or should I just go ahead and run it and see if the oil looks like a milkshake when I get back in? Thanks!

                    BTW: I spoke with the tech that did the work and he says the motor is “the best one I’ve seen in a LONG time!” Regarding the leak, he says its no big deal, “They all leak a bit”. He’s really too far away from me to make it worthwhile to take it back to him anyway… and I wasn’t his customer in the first place. So I guess I own this issue. Any thoughts?

                    Lower-Unit-Leak-1-1

                    Lower-Unit-Leak-2-1

                    #234748
                    frankr
                    Participant

                      US Member

                      My concern would be the possibility of a broken stud that holds it together. There are two of them, one front and one aft. Broken ones were way too common. I’ve seen the whole bottom end fall off if both break. Make sure there is NO gap at all between the upper and lower housings at the front and rear pointy ends. Otherwise, there is an o-ring in there that seals the juncture

                      #234750
                      gbeardmore
                      Participant

                        My concern would be the possibility of a broken stud that holds it together. There are two of them, one front and one aft. Broken ones were way too common. I’ve seen the whole bottom end fall off if both break. Make sure there is NO gap at all between the upper and lower housings at the front and rear pointy ends. Otherwise, there is an o-ring in there that seals the juncture

                        Thanks for the thought Frank! I’ve spoken with the tech that did the work a couple of times & I get the feeling he would have said something if that was the case. Also, he probably wouldn’t have gushed over how nice it was if there was an issue like this.

                        I think I’ll give my local marina a call. One of the techs there is an AOMCI member…

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