This engine features a single - cylinder air - cooled four - stroke design. It requires gasoline of 90# or above. With an engine displacement of 42.7CC, it has a fuel consumption rate of 480G/KW.H. The maximum power reaches 2.2KW at 8000R/MIN. It weighs only 8.5KG, which is relatively lightweight. It is recommended to use four - stroke motorcycle engine oil for lubrication. This engine is suitable for applications that demand a compact and reliable power source.