Main Performance 1.Compact in structure and convenient for carry and transport. Enable quick and safe engine inspection and maintenance. 2.Easy to start with its light-pull recoil starter and electric starting is also a useful option. 3.Special balancer shaft inside reduces the vibration to a minimum and makes its running more stably and smoothly. 4.Low noise and stable running .its fan cover made by low noise com-posited steel and specially designed large exhaust muffler combine to form a silent machine. Unique balancer shaft diminishes the vibration. 5.Efficient air cleaner system. High-performance air-filtering structure device suitable for various environment. In short, special for long-term work on any rough dusty work site.