Powerful, robust chainsaw for all-round use, with up to 20% less fuel consumption and up to 50% fewer emissions compared to STIHL two-stroke engines of the same performance class without 2-MIX technology. Easy to maintain and service.  Long-life air filter system with air routing, one piece engine cover.  Great for cutting firewood.  Environmentally-friendly and economical 2-MIX engine.