If you want a kit version, please tell us your choice, but it requires a strong hand on ability to handle and may be a little bit late for shippment. The authentic rocker cover on the classic cylinder head and gearbox cover allows the model to restore the original charm and get closer to the motorcycle engine in real life, representing the most remarkable characteristics of a motorcycle in an era.Features larger cylinder diameter and longer stroke for superior displacement, along with stronger connecting rods to provide superb torque protection when installed on the vehicles. Adopts an OHV valve mechanism, a 45° angle between two cylinders, a realistic hemispherical combustion chamber, an inlet rocker arm with a V-shaped angle as well as a separable rocker arm cover chamber for easier to observe and adjust the engine. Treated with aluminum CNC precision processing on the body, along with anodic oxidation and sand blast on the surface for a pleasing mechanical artwork with texture and aesthetics. Equipped with a large-area heat sink for incredible air cooling effects, the engine is able to operate stably keeping low speed and supports the use of different fuels for more balanced burning due to the optimized carburetor. Whether used as an excellent desktop collection or applied to an RC model car, the model makes one of the best engines for collectors, which is not inferior at all. Lubrication Method: Mix Lubrication (Gasoline/Engine Oil =30/1). Starting Mode: Electronic Drill Starting. Ignition Method: CDI Igniter (Included). Spark Plug Type: 1/4-32 Thread ME8 Spark Plug (Including 2). Starting Power: 6-7.4V Battery (Not Included). Fuel Type: 92# Gasoline and Above. Engine Oil Type: 2T Engine Oil. Product Dimensions: 10.5 x 6.5 x 12.1cm. Package Dimensions: 20 x 20 x 20cm. 1 x CISON V2 Engine. 1 x Electric drill starter.