Home › Forum › Ask A Member › 64 Johnson 5.5 hp Powerhead Base Gasket Problem › Reply To: 64 Johnson 5.5 hp Powerhead Base Gasket Problem

#206487
Mumbles
Participant

    A compression test might not show a leaky head gasket. Probably best to pull the head and inspect all of the surfaces carefully. At least you’ll know your head gasket is good after you replace it.