The SRM-266 powerful performing commercial unit with many innovative features along with a superior design. The powerful 25.4 cc engine easily cuts through the toughest grass. The left and right handles have an over-molded grip providing the operator with many operating hours of comfort.5 Year consumer warranty. 25.4 cc Power Boost Vortex engine. Revolutionary starting technology reduces starting effort by 30%. Extra heavy-duty engine vibration mount and rubber over mold handles.