Features & Benefits: • POWER XT™ Full crank engine delivers durability & performance • Powerful 2 stroke 51cc engine • Fast acting inertia activated chain brake for increased safety • Automatic chain and bar lubrication • Clear fuel and oil tank for easy view of fluid levels • Tool less air filter access • Convenient & robust side access chain tensioner • 3-point anti-vibration isolation for user comfort and reduced fatigue during prolonged use