the fuel ratio for a 1977 Johnson 6hp is 50:1. The mix can be moved to 60:1 if you will be doing a lot of trolling.
my Johnson seahorse 70hp runs pretty nice at 50:1 fuel to oil ratio (1 litre oil to 50 litres fuel)
50:1
The fuel to oil ratio for a 1977 model, 35 hp Johnson, is 50:1. This is roughly, one pint of 2 cycle oil, to six gallons of fuel.
The 1977 model, 85 hp Johnson outboard requires a 50:1 ratio, roughly one pint of 2 cycle oil, to six gallons of fuel.
Johnson outboards manufactured prior to 1965, require a 24:1 ratio. The later models use a 50:1 mix.
The fuel to oil ratio for a 1977 model, 115 hp Johnson outboard, would be 50:1, roughly one pint of 2 cycle oil, to six gallons of fuel.
24;1
14 to 1!
50:1
32:1
Johnson engines from 1964 on are a 50/1 mixture requirement. Before '64 they were 24-25/1 mixture. Quite revolutionary of Johnson/Evinrude at the time, changed the industry, everyone followed suit shortly after.
50 to 1 ratio