Reply To: 1961 Johnson 40 (RDSL-23) stops pumping water

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August 2, 2021 at 5:40 am #244105
billw
Participant

    US Member

    If you can mount the engine on a test boat with a 15 inch transom, that’s okay. You will loose five inches of head pressure, I suppose, which may confuse things a bit. It would pump better just because of that, I suppose. But just getting the lower unit into nice, clear, turbulence-free water is what I would be looking for.

    Frank, I am wondering how that crack happened. Was it freeze damage? How the heck did water manage to get trapped so well in there?

    Long live American manufacturing!