Engine engine model:1E45F Two-Stroke Displacement:52cc/2.270cu.in Max.engine speed:12000rpm Power rating:2.2kw/7200 Ignition System:C.D.I Fuel Mixture Ratio:(90#Gasoline 25:Two-cycle oil 1) Fuel Capacity:0.55 Liter/18.6US fl.oz. Oil Capacity:0.26Liter/8.8US fl.oz. Chain Oil Pump:Automotive Gear Type: Adjustable Cutting equipment Standard Guide Bar:20in