Reply To: What’s a good compression test # for a 1940 Johnson 2.5 hp ?

Home › Forum › Ask A Member › What’s a good compression test # for a 1940 Johnson 2.5 hp ? › Reply To: What’s a good compression test # for a 1940 Johnson 2.5 hp ?

June 25, 2026 at 4:56 pm #322947
Don
Participant

    US Member

    Sounds reasonable for an old low compression outboard.  Oftentimes compression gages are inaccurate as well.