1955 RDE-17 25 hp Johnson-Cavity below impeller plate

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  • January 5, 2019 at 9:24 am #161960
    outboardnut
    Participant

      US Member

      While further inspection I noticed a crack in one of the walls of a small cavity.
      Can if fill this oblong cavity with JB weld (or 3M 847) to seal the crack? I do not plan to adjust the wall.

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      January 5, 2019 at 9:25 am #161965
      outboardnut
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        US Member

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        January 5, 2019 at 10:43 am #161971
        crosbyman
        Participant

          Canada Member - 2 Years

          aside from saving casting material the cavity likely serves no purpose so filling it with jbWeld after a good wire brush job and carb cleaner should not cause any problems .

          I would not apply anything on the outer side edge of the main cavity in case a loose piece of JB weld end’s up the water tube or engine 5 miles from shore .

          wait for secondary opinions ….

          Joining AOMCI has priviledges 🙂

          January 5, 2019 at 10:48 am #161972
          frankr
          Participant

            US Member

            Ignore it, or break out the loose piece and ignore it. The cavity serves no purpose. Lots of them have gotten broken like that (from trapped water freezing)

            January 5, 2019 at 11:54 am #161980
            outboardnut
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              US Member

              okie dokie -thanks

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