1953 Sea King 3hp

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  • January 5, 2020 at 12:33 pm #191025
    jimk
    Participant

      I just ordered a new rotor for my 53 Sea King 3 hp from Brian Wilcox. Is there anything else I should be looking for as far as parts go to change it out? I am hoping to save the gasket but not sure what else will be needed. I see that there is a grease seal involved so now I am wondering should there be grease in the lower unit or oil for the lower unit? Thanks for any info you can give me, Jim

      January 5, 2020 at 1:24 pm #191033
      garry-in-michigan
      Participant

        Lifetime Member

        [size=23][color=blue]I believe that uses grease – John Deere Cornhead Grease will work.[/color][/size]
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        January 5, 2020 at 1:34 pm #191038
        garry-in-michigan
        Participant

          Lifetime Member

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          January 5, 2020 at 1:57 pm #191046
          jimk
          Participant

            Any idea of how you get the grease in or how much? Last year I put lower unit oil in it threw the fill hole and it is leaking a bit.

            January 5, 2020 at 2:21 pm #191049
            garry-in-michigan
            Participant

              Lifetime Member

              [size=23][color=blue]Take out the grease plug (48) and put the grease in until it comes out the drain screw hole (46) in the gear case. Oil makes the water pump rotor swell reducing efficiency eventually to zero.[/color][/size]

              January 5, 2020 at 2:49 pm #191053
              jimk
              Participant

                Thank you for that info Very much appreciated.

                January 5, 2020 at 9:59 pm #191093
                Geer Pyron
                Participant

                  I’m working on a couple of these motors too. I love to hear the pop-pop-pop of them running. Jeff at Laignes has the prop shaft seals and gaskets. But the gasket is easy to make. The drive shaft seal is hard to get to. Doug Brook at vintage outboard found a couple for me on the ebay. Search part number 550749. But some say its not worth the trouble to replace, but I’m sure you’ve read the posts concerning this.
                  I’m racking my brain to remember things I’ve learned while working on mine. One thing stands out. If you are freaky about gas/oil getting all over your newly rebuilt beautiful little motor, like I used to be, then your gonna be upset. I can’t figure out a way to keep it clean. Gas loves to come out of the carb.
                  G

                  January 5, 2020 at 11:07 pm #191102
                  jimk
                  Participant

                    Mine is still in original condition. Shows its wear but runs good. It has new coils, ect. but paint is original. What grease is recommend for the lower unit?

                    January 6, 2020 at 8:49 am #191109
                    crosbyman
                    Participant

                      Canada Member - 2 Years

                      see post #191033…above…. john Deere corn head grease at you local JD dealer…comes is a regular grease tube just ask for it by name CORN HEAD GREASE

                      • This reply was modified 5 years ago by crosbyman.
                      January 6, 2020 at 10:09 am #191115
                      frankr
                      Participant

                        US MEMBER PAY BY CHECK

                        Some of us (myself included) prefer Lubriplate 105, sold by NAPA Auto Parts stores. NAPA calls it “Motor Assembly Grease”, NAPA part number 765-2651. Advantage: It comes in a squeeze tube, perfect for the outboard fill plugs. Corn head grease comes in cartridges for a grease gun, so you need a grease gun and some sort of a nozzle to adapt to the fill plug.

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