PowerSmart DB-7001-21 Gas Snow Thrower with 4 Cycle LCT Engine, 21" 208cc LCT snow engine, OHV 4-cycle 30 ft. throwing distance Light weight design makes it easy to handle, easy to assemble 180-degree chute rotation for better snow-blowing control.NON-carb compliant, not for sale in California The hardware should be tightened securely so that it does not come loose.) If the belt comes loose then the cable to give tension should be tightened