Features: 1) Size: 26 2) Cylinder diameter x stroke: 40 x 40mm 3) Working volume of cylinder: 48cbm 4) Rated power: 2.5 - 3HP / 400rpm 5) Ignition: contactless (CDI) electrical ignition mechanism 6) Type of spark plug: 14M 7) Fuel: the mixture of 90# petrol and engine oil Packing: SKD or CKD