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Transom seal replacement

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  • Transom seal replacement

    I am going to be replacing my OMC transom seal tomorrow. What kind of sealent should I use between the rubber and transom?

    Larry E

  • #2
    Re: Transom seal replacement

    3M 4200 or 5200 should work just fine.
    1969 Lonestar Medallion restoration

    1972 Glastron GT-160 restoration

    1973 Silverline Grand Bahama restoration

    1991 Galaxie 19' 4.3 Mercruiser
    2007 F150 4x4 Supercrew
    A boat is just a big hull in the water you throw money into.

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    • #3
      Re: Transom seal replacement

      Originally posted by boatnut74 View Post
      3M 4200 or 5200 should work just fine.
      I am told that the 5200 is very permanent in that it is more then difficult to remove later on. Is the 4200 like that?

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      • #4
        Re: Transom seal replacement

        Ayuh,... 4200 is like 5200, only removable...

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        • #5
          Re: Transom seal replacement

          Originally posted by Bond-o View Post
          Ayuh,... 4200 is like 5200, only removable...
          Which would be better?

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          • #6
            Re: Transom seal replacement

            Originally posted by Larry E View Post
            Which would be better?
            Ayuh,... Define Better....

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            • #7
              Re: Transom seal replacement

              I like the Permatex Copper, mainly because my boat is orangy red. Most boat builders used no sealant. Any RTV fine. I would think 4200 probably better than 5200. You don't need bonding, the clamp holds it.
              Baba-buoy.

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              • #8
                Re: Transom seal replacement

                Originally posted by Bond-o View Post
                Ayuh,... Define Better....
                Easier to apply. The 5200 which I have seems to not be very easy to move around. And should I be able to remove it down the road in case I would need to replace the seal again?

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                • #9
                  Re: Transom seal replacement

                  i've used Silicon RTV with no problems.
                  ~ Allan

                  Be careful in what you wish for....You might get it.

                  Baretta Rebuild
                  Complete Baretta Picture Set

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                  • #10
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                    Re: Transom seal replacement

                    Originally posted by Howard Sterndrive View Post
                    I like the Permatex Copper, mainly because my boat is orangy red. Most boat builders used no sealant. Any RTV fine. I would think 4200 probably better than 5200. You don't need bonding, the clamp holds it.
                    That is great advice. My boat is orangy red also so Permatex Copper it is...Click image for larger version

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