Brand New!! ECHO GT-225 21.2cc Gas Curved Shaft String 21.2cc Power Boost Vortex Engine provides ample power, and the I-30 starter requires 30% less pulling effort to start. Plus, the GT-225 comes standard with the Rapid Loader fixed line head for easy line change outs. 21.2cc professional-grade, 2-stroke Power Boost Vortex Engine 14.2 oz. fuel tank capacity for long-lasting run time Ergonomic adjustable handle for custom fit 30% less pulling effort to start 48-inch curved shaft Equipped with the rapid loader fixed line head for quick and easy line changes Use a 50:1 ratio of fuel to oil mix for 2-stroke cycle engines, recommend using only fresh gas with a minimum octane rating of 89 or higher (mid-grade to premium) at all times 5-year consumer/2-year commercial warranty