Well I’m no math wiz but here’s my thinking
50:1 ratio in a one gallon tank would mean 2.6 oz of 2 cycle oil is needed. In a 6 gallon tank you would need 15.6 ( roughly 16) oz of 2 cycle oil. Since you had only 1 gallon of fuel in the tank and you put in 16 oz. You would need to add roughly 5...