3.2 Ounces of oil to one gallon of gas. Or 16 Ounces to 5 Gallons.
1part by volume of oil to 40 parts by volume of gas.
40:1
Usually 1/40
40:1
40:1
40:1
It's 40/1.
16oz of oil for 5 gal of gas
The perfect gas oil mixture for the jonsereds 49SP is 1:40 !
Every 40 ounces of gasoline add 1 ounce of oil for a 40 to 1 mix. You do the math.
1 gallon of GAS to 3.2oz 2-stroke oil or 2%
40 to 1