Home › Forum › Ask A Member › Advice please re purchase of 1958 7.5hp Johnson › Reply To: Advice please re purchase of 1958 7.5hp Johnson

#219279
Mumbles
Participant

    Your last year model ’58 7.5 does require 16:1 fuel mix. Nothing else. The ’61 – ’63 5.5’s with needle bearings on the rods big ends used 24:1 and starting in ’64 everything went to 50:1 except for the three horse JW motors.