Reply To: Permatex for Power-head base gasket? (304314)

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June 27, 2026 at 4:03 pm #323102
Bob Wight
Participant

    US Member

    I’ve not heard of using any type of form-a-gasket sealer in place of the gasket itself.  If you were concerned about easy disassembly in the future, some folks just apply grease to the base gasket – it will act as a gasket sealer while allowing disassembly in the future.

    Bob

    1937 Champion D2C Deluxe Lite Twin
    1954 Johnson CD-11
    1955 Johnson QD-16
    1957 Evinrude Fastwin 18
    1957 Evinrude 3022
    1958 Johnson QD-19
    1958 Johnson FD-12
    1959 Johnson QD-20
    1982 Evinrude 25hp

    “Every 20 minute job is only a broken bolt away from a 3-day project.”
    "Every time you remove a broken or seized bolt an angel gets his wings."