Reply To: 1954 10hp Johnson outboard with a good gas tank

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January 16, 2021 at 8:52 pm #227958
need2fish
Participant

    If I recall correctly, early QD’s (or was it FDs or CDs – FrankR can confirm) could overheat the exhaust cover plate on the powerhead and break down the gaskets, as well as suffer perforation on the inner plate, resulting in water in the cylinders.

    Make sure the impeller is on good shape.