Factory Reconditioned Homelite ZR22650 26 cc Gas Powered 17 in. Straight Shaft Trimmer REFURBISHED HOMELITE ZR22650 2 Cycle 26 cc 17" Straight Shaft Weed Trimmer 50:1 Gas to Oil ratio, which is 2.6oz of oil to 1 gallon of gas. Do NOT use E85 gas Engine Displacement: 26cc Cutting Swath: 17-in RPM: 3,100 - 8,600