I have a pocket bike that is a 49cc engine. It take 25 parts of gas to 1 part of oil(25-1) the problum is I ran out of the oil of 50-1.which I would fill up have a one gallon and put it in to make a 25-1 ratio... Now I have a 40-1 ratio engine oil how do I make that to be 25-1... or I have a universal 2 stroke engine oil... (You have to add the whole can of oil to one gallon and you get 50-1SOME ONE PLEASE HELP ME!!!!!!!!!!!!!!!!!!!