Even E10 fuel blends will absorb water from the atmosphere and can cause corrosion of fuel system components. Since most carburetors and the gas tank are vented to the atmosphere in some manner, there is nothing to prevent fuel from absorbing moisture over time. Using fresh fuel (less than 30 days old) will help prevent water absorption from becoming a problem, as will adding a fuel stabilizer the day you buy it. Toro offers a Premium Fuel Treatment
to help ensure reliable engine performance and protection against ethanol's harmful effects. The product is available from authorized Toro dealers or can be ordered from www.torodealer.com
We recommend individuals read the Engine Operator's Manual and Equipment Operator's Manual for information on what fuel can, and cannot, be used in their machine and to understand applicable warranty coverage and exclusions.