according to the clymer manual it is 50 -1
50:1
A 1968 model, 5.5 hp Johnson requires a 50:1 ratio, roughly one pint of 2 cycle oil, to six gallons of fuel.
The correct fuel mixture for a 1979 85 hp Johnson outboard motor is 50:1
50:1
50:1
50:1
50:1
50:1
50:1
50 to 1
32:1
14 to 1!