Model:YD270 Power type:single cylinder, two-stroke Air-cooling gasoline engine Cylinder Diameter x Stroke: 35x28 (mm) Displacement:26.9(cc) Rated Output Power:0.91kW/8000rpm Fuel Mixture Ratio:25: 1 Fuel Tank Capacity:240(ml) Engine Oil Capacity:160(ml) Guide Bar Size:10"/12" Chain Pitch:3/8" Chain Gauge:0.050". Packing size:340x240x220(mm).