Specifies methods of measurement for gaseous pollutants emitted by mopeds as defined in ISO 3833, equipped with a 4-stroke, a 2-stroke or a rotary controlled ignition engine. Defines a driving cycle in accordance with the requirements of different types of mopeds and provides specifications of the collecting methods for gaseous pollutants, a measuring system and a test bench. This second edition cancels and replaces the first edition (1981).