It's easy to calculate 50:1 fuel to oil ratio in your head. You don't need a calculator, it's that easy. It will perform at its best if the 2 stroke oil ratio is right. Simple calculation for your 2 stroke gas engine premix.

US
25:1 gasoline to oil ratio. Add 5.2 oz. of 2-cycle oil into one gallon of gasoline.
32:1 gasoline to oil ratio. Add 4 oz. of 2-cycle oil into one gallon of gasoline.
40:1 gasoline to oil ratio. Add 3.2 oz. of 2-cycle oil into one gallon of gasoline.
50:1 gasoline to oil ratio. Add 2.6 oz. of 2-cycle oil into one gallon of gasoline.

METRIC
25:1 gasoline to oil ratio. Add 40 ml of 2-cycle oil into LITRE of gasoline.
32:1 gasoline to oil ratio. Add 31.25 mL of 2-cycle oil into one LITRE of gasoline.
40:1 gasoline to oil ratio. Add 25 mL of 2-cycle oil into one LITRE of gasoline.
50:1 gasoline to oil ratio. Add 20 mL of 2-cycle oil into one LITRE of gasoline.

свернуть