ECHO CS-2511TN Chainsaw The CS-2511TN Chainsaw is North America's lightest gas-powered top-handle chainsaw, featuring the 80TXL cutting system Features Has a 25.0 cc professional-grade, two-stroke engine for superior performance and durability Its G-Force Engine Air Pre-Cleaner™ improves air filter life and lowers maintenance intervals Has dual-post chain brakes for increased durability Featuring the 80TXL cutting system that improves cutting efficiency and reduces vibration Has textured grip handles that provide optimal saw control Its fine grid starter cover prevents debris ingestion and increases air filter life Clutch-driven adjustable oiler operates only when the chain moves, reducing oil consumption Has a choke with an automatic fast idle that allows for easy starting Has a side-access chain tensioner for easy chain adjustments