My lawnmower sat unused for about 4 years in a shed. Last year I tried to use it and gas leaked all around it. The ethanol left in the tank had eaten out all th

My lawnmower sat unused for about 4 years in a shed. Last year I tried to use it and gas leaked all around it. The ethanol left in the tank had eaten out all the little plastic pieces and seals in the ignition system.