The 3.3 hp Mariner outboard requires a 50:1 ratio, one pint of 2 cycle oil to six gallons of fuel.
100-1
50:1
50 to 1
The fuel oil ratio for a 140 hp Mariner outboard motor is 50:1. Mariner is a brand of the Mercury Marine company.
50-1
25:1
I have a 1972 85esl72 Johnson outboard motor and I use a 50:1 ratio.
50:1
20/1
50 to 1
32:1
50-1