This echo cs 4510es is designed for all around use'. '.strtoupper('a') powerful stratified 45cc engine with easy start for effortless starting'. '.strtoupper('t')he body is lightweight and durable, has an excellent power to weight ratio, and weighs 5.0 kg when dry'. '.strtoupper('4')5cc premium grade echo engine improves performance, extends product life, and reduces downtime'. '.strtoupper('a') stage 2 compliant low emission engine results in lower exhaust emissions. spring assisted starting system allows for quick and easy starting'. '.strtoupper('s')tarting the engine requires only one or two gentle recoil pulls'. '.strtoupper('f')eaturing a tool free air filter cover for easy access, even while wearing gloves'. '.strtoupper('a') side tensioner makes chain adjustment simple, and tool free oil fuel caps allow for easy refilling.