The 55 hp model Yamaha requires a 50:1 ratio, one pint of 2 cycle oil, to six gallons of fuel.
Mine is 100:1, however best ring the dealership to make sure,
50:1
50 : 1 is the correct fuel mixture
The 55hp Johnson outboard is designed to operate on a 50:1 ratio, one pint of 2 cycle oil, to six gallons of fuel.
50:1 is usual, 32:1 is also OK according to some.
50 to1
50:1
50 to 1
50:1
100:1
50:1
50;1