Home Forum Ask A Member 1951 Evinrude 7.5 hp

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  • #208688
    Bc1972
    Participant

      On to new project – 1951 4443 Evinrude Fleetwin 7 1/2 HP
      This motor would not go through any movement when pulling on rope. I have taken the entire motor apart. Once apart it didn’t take much to get movement out of pistons. By inspection (also had someone else inspect with much more experience) it appears that some cylinder cleaning and polishing along with pistons, it should be good to go.
      Questions:
      1). Where can I get the head gasket and the few other gaskets that are needed? If can’t be found, is it possible to make? If so what material for head gasket and others – where to buy?
      2). Same with a few seals/o-rings needed?
      3). What is the best way to clean motor body and head — sonic cleaner?? To be sure all ports are cleared out.

      #208694
      Buccaneer
      Participant

        US Member

        You can search using the parts numbers to see what comes up “out there”.

        52FleetwinA

        52FleetwinB

        52FleetwinC

        52FleetwinD

        Prepare to be boarded!

        #208700
        Buccaneer
        Participant

          US Member

          52FleetwinE

          52FleetwinF

          52FleetwinFf

          An impeller that can be retro-fitted to fit the Fleetwin.
          Can’t remember is it’s just boring out the center hub a little,
          or thinning down the impeller on a belt sander.
          retrofit-impeller

          Prepare to be boarded!

          • This reply was modified 3 years, 9 months ago by Buccaneer.
          • This reply was modified 3 years, 9 months ago by Buccaneer.
          • This reply was modified 3 years, 9 months ago by Buccaneer.
          #208711
          fleetwin
          Participant

            US Member - 2 Years

            You can still find the head gaskets, online, or marineengine.com has some aftermarket ones… I don’t recommend trying to make a gasket.

            #208715
            reivertom
            Participant

              US Member

              I heard these motors were faster than the later shift models in 7.5 hp.

              #208726
              20mercman
              Participant

                US Member

                I heard these motors were faster than the later shift models in 7.5 hp.

                Yes, these are significantly faster then the full gear shift 7.5’s that I have run, I have a 58 fleetwin, and a 50 & 53. Both of the neutral clutch motors are faster, the lower unit is much more streamline. I still like my 58 better. I would like to thin the herd some, so if anyone wants a 50 or 53. The 50 is more rare.

                Steve

                #208759
                crosbyman
                Participant

                  Canada Member - 2 Years

                  vintageoutboard.com … has the gasket generaly give them a call

                  Joining AOMCI has priviledges 🙂

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