what is 2stroke mix 40 to 1
Rating Newest Oldest. Best Answer: This is the fuel to oil ratio for your 2 stroke engine. 1 Part oil 2stroke oil for every 40 parts of fuel. So if you had 1 gallon of gasoline, you would want to mix in 3.2oz of 2 stroke oil.Source(s):est Answer: This is the fuel to oil ratio for your 2 stroke engine. 1 Part oil 2stroke oil for every 40 parts of fuel.