M-Tronic fitted as standard. The fuel supply is electronically controlled and automatically adapts to ambient conditions. This means that the chain saw always gives top performance. There is no need to adjust the settings by hand. With more practical features such as the long-life air filter system with easy-clean HD2 filter, professional STIHL anti-vibration system, controlled-delivery oil pump, captive nut on the sprocket cover, single piece cover with three quick release fasteners and memory function for quick resumption of work after break times.