[Entry-level] This machine is a simple configuration and not with a carburetor. It is specially designed for 1/5 RC gasoline 2-stroke Engine, can be perfectly compatible with Baja HPI Losi Redcat Rovan Zenoah ChongYang FLMLF RCMK KM Rovan. Match with 29cc cylinder head and 8000 RPM high-speed clutch, the ignition state of the spark plug is stable. And the maximum Power is 3.2 HP, Bore & Stroke 1.42*1.1 inch, Compression ratio 9.5:1, Idle speed 4000~4500 RPM; A highly cost-effective entry-level machine.