’60 Evinrude 10 hp Powerhead removal

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  • April 20, 2024 at 8:54 am #287084
    bill-mcnamara
    Participant

      Canada Member

      Looking to remove the powerhead, and wondering about the best way to get at the 2 side 1/2″hex-nuts to release the front of the block from the exhaust tube assembly.

      The lower metal cowl is deep enough that the nuts are hidden pretty well. There must be a technique or tool available.

      Any suggestions will be much appreciated.
      Bill.

      April 20, 2024 at 11:03 am #287090
      Steve D
      Participant

        I’ve used a distributor wrench and an altered cheap box wrench to get into the tight spaces with good results. You only get about 1/4 turn each time but it gets you there.

        box-and-dist

        April 20, 2024 at 11:46 am #287093
        bill-mcnamara
        Participant

          Canada Member

          Thank you Very much Steve D for taking the time to reply.
          My distributer wrench is to long in the horizontal section next to the socket to be able to swing at all inside the cowl. I also tried another similar but shorter tool that I borrowed from an aviation tech friend who worked on Pratt & Whitney radial engines, still no luck.

          Think I’ll have to modify a cheap wrench as you have done.
          All part of the hobby is to try and overcome these little challenges.

          Thanks again, Bill.

          April 20, 2024 at 7:25 pm #287110
          frankr
          Participant

            US Member

            The one I made many years ago.

             

            10hp-Wrench

            April 21, 2024 at 5:55 pm #287169
            bill-mcnamara
            Participant

              Canada Member

              Thanks also to Frank for the reply.

              I tried again today with the P&W tool and was successful on both side nuts. Different day, different outcome!

              Now wondering about best procedure to remove the carb.

              The ’60 10hp the carb with its remote carb control knobs and levers looks interesting.

              Bill.

              April 22, 2024 at 6:50 am #287184
              crosbyman
              Participant

                Canada Member - 2 Years

                just  take a pictue or two if you are worried about reassembly… and jump in.  I find the mounting bolts are  more of a pain being so imbedded but once  loose just pull on the carb body as you finger  unscrew the bolts.

                Joining AOMCI has priviledges 🙂

                April 22, 2024 at 11:51 am #287194
                bill-mcnamara
                Participant

                  Canada Member

                  Thanks Crosbyman, I didn’t make myself clear, sorry.

                  I have the 2 mounting bolts removed, but the carb doesn’t move ahead enough to to clear the studs by about 1/4″. I am thinking that I have to remove the  air silencer next but the remote carb adjustment rods and connectors are preventing sufficient forward movement of the assembly to allow the carb base to clear the studs.

                  More head scratching ahead.

                  April 22, 2024 at 2:52 pm #287202
                  crosbyman
                  Participant

                    Canada Member - 2 Years

                    loosen the nuts  & pull away the carb  from the intake as you  turn the nuts with your  fingers.  you almost have to work both sides  to wiggle the  carb body  away from the intake

                    if the nust are to tight you can try  a drop of wd40

                    and yes…….  take off the   silencer.     just a few more bolts nothing elaborate.  disconnect linkage/hoses where u need to

                    Johnson QD carburator servicing – Recherche Google

                    Joining AOMCI has priviledges 🙂

                    April 23, 2024 at 8:24 pm #287262
                    bill-mcnamara
                    Participant

                      Canada Member

                      Thanks gents for all the useful info and tips. I was able to lift off the powerhead today.
                      Bill.

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