if it were me I´d run it out of gas ,not on reserve, go round the block then you don´t have much left in the tank mix up 1 gallon and mix the proper amount of sta-bil,NO PROBLEM,put new gas in it in the spring,from the jug 1 gal. then beat the hell out of it THATS WHAT THEY WERE MEN´T TO DO RIDE HARD???????