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

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June 28, 2026 at 11:57 am #323165
LARRY CATON
Participant

    US Member

    I’ve never heard of eliminating the PH gasket either.  As Jacques points out, it’s a “low pressure” joint that blocks exhaust and water, and some people apply grease to make future disassembly easier.  I’ve heard that greasing the gasket allows you to use it at least twice when doing maintenance.

    I’m just wondering if there are any CONS to using Permatex?  I’ve got plenty on hand, whereas I’ll either have to order a $20 gasket or trace one onto gasket sheets I’ve got.

     

    1956 Johnson 15 Hp, FD-10
    1957 Johnson 5.5 Hp, CD-14
    1958 Johnson 5.5 Hp, CD-15