BS ISO 9021:2020 pdf free.Motorcycles and mopeds - Controls -Types, positions and functions. BS ISO 9021 This document describes the types, positions and functions of the rider-operated controls on a motorcycle/moped1), in order to facilitate use.Annex A specifies controls, indicators and tell-tales for which identification is obligatory and the appropriate graphical symbols. Annex B provides the information for applying for...