No more mixing and no more mess means greater convenience and time savings while ensuring the engine has proper lubrication for superior performance and longer life. Ethanol-free, high octane fuel without gum and varnish. Engineered specifically for higher revving small engines, means improved start-up, smoother idling, and quicker trigger response to get the job done right. Proprietary fuel formula lasts for several years after opening, eliminated waste and other risks associated with pump gas that begins degrading in as little as 30 days. No. 6525606: Engine Type: 2-Cycle, Container Size: Gallon, Container Type: Can, Fuel to Oil Ratio: 40:1.