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 11:42 pm
#322965
compression never really matters as long as the engine is getting intake compression and the motor is running, although it might not idle very well if it has super low compression.
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