Use this handy chart to help mix your fuel and oil correctly for your 2-stroke engine.
Print it out and glue it to the wall in your trailer.

United States/Metric

Ratio

Fluid Ounces Per Gallon

Milliliter Per Liter

Oil Percentage

16:1

8

62.5

5.9%

20:1

6.4

50

4.8%

25:1

5.1

40

3.8%

30:1

4.3

33.3

3.2%

32:1

4

31.3

3.0%

35:1

3.7

28.6

2.8%

37:1

3.5

27

2.6%

40:1

3.2

25

2.4%

45:1

2.8

22.2

2.2%

50:1

2.6

20

2.0%

55:1

2.3

18.2

1.8%

60:1

2.1

16.7

1.6%