50to1
50:1
40to1
The 1977 model, 20 hp Mercury outboard, requires a 50:1 fuel to oil ratio.
The 1977 model, 85 hp Johnson outboard requires a 50:1 ratio, roughly one pint of 2 cycle oil, to six gallons of fuel.
The oil / fuel ratio for the 1977 model, 85 hp Evinrude outboard, is 50:1, roughly one pint of 2 cycle oil, to six gallons of fuel.
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.
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.
50/1
The 1977 model, 105hp Chrysler outboard, requires a 50-1 ratio. This is roughly one pint of 2 cycle oil, to six gallons of fuel.
The Gap is .030
1977 50:1
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.