This standard specifies the terms and definitions of general-purpose small gasoline engines (hereinafter referred to as "gasoline engines"), basic requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage, and quality commitments. This standard applies to single-cylinder four-stroke air-cooled small gasoline engines for non-road mobile machinery with a rated power of less than 11 kW (hereinafter referred to as "gasoline engines").