#1 Stow Your Mower If you’re not familiar with fuel stabilizer, get to know it. If your mower sits for months with gas in its tank, the gas will slowly deteriorate, which can damage internal engine parts. Fuel stabilizer ($10 for a 10-ounce bottle) prevents gas from degrading.Add stabilizer to your gasoline can to keep spare gas in good condition over the winter, and top off your mower ta...Read More