This standard defines forced air-cooled 2- and 4-cycle gasoline engine (hereafter referred to as 'Engine') of continuous rated output lower than 22KW for applications of agriculture, ground transportation, and common power generation. Remark : The weight of an engine shall be the total weight of the engine body and parts directly installed on the engine. However, the weight does not include power connection pulley, fuel, lubricant, spare parts, and disassembly tools.