Castrol 2-Cycle Synthetic Small Engine Oil - 1 gal Castrol 2-Cycle Synthetic small engine oil offers a high level of protection for your machine. It s specially designed for use in hard-working outdoor power equipment and helps to keep your fuel system clear from harmful deposits. Its full synthetic formula means your equipment will run longer and better, and it contains added fuel stabilizer that works for up to 1 year. Can be used with lawn mowers, chainsaws, blowers, weed eaters, and other 2-cycle small engine equipment. Our 2-Cycle Synthetic Oil is certified to meet or exceed Jaso M345 FD standards. DIRECTIONS: Use the table provide on the back label to determine the correct amount of oil needed based on the manufacturer's recommended ratio.