BS ISO 9021:2020 Motorcycles and mopeds – Controls – Types, positions and functions.
display that indicates, by means of a light-emitting device (3,2), the actuation of a device, a correct or defective functioning or condition, or a failure to function
visually perceptible figure used to transmit information independently of language, produced by drawing, printing or other means
4 General requirements
4.1 Type and position
When a control is fitted, it shall be of the type and in the position specified in Clause 5.
4.2 General design
4.2.1 All the controls specified in 51. 52., 53, 5,4 and 55 shall be within the rider’s reach when seated in the riding position and shall be located in the positions or areas specified in those subclauses.
4.2.2 The controls specified in 5 (“cold starting device/manual choke” and “manual fuel shut-off control/manual fuel shut-off valve”) shall be located so that they are operable and within reach of the rider when seated. These controls may not be visible from the rider’s position.
4.2.3 The position of the controls on the handlebars shown below shall be such that they can be
reached without the rider moving his hand from the respective handgrip.
— Engine cut-out (see 18.104.22.168).
— Front brake (see 5.3.1).
— Rear brake (alternative) (see 22.214.171.124).
— Clutch (see 5.4.1).
— Horn (audible warning device) (see 5.5.1).
— High (main/driving) beam/low (dipped/passing) beam control (see 126.96.36.199).
— Direction-indicator control (see 5.5.3).
— Hazard warning signal control (see 5.5.4).
— Electrically selected gears selection (in case of equipped on hand-operated switch) (see 188.8.131.52.1).
The rider’s reach to the controls shall not be impeded by intrusion of any other control or any part of the structure of the vehicle.
The identification of the controls, indicators and tell-tales, if fitted to the vehicle, shall be in accordance with the requirements of Annex A.
4.5 Orientation and directions
4.5.1 Right side/left side
The right/left sides in £.2 5.3., 5A and £.± shall be right side or left side respectively of the longitudinal median plane of the vehicle when facing forward.
4.5.2 Forward (in relation to the handlebars)
The forward in 5 and £4 shall be the part of the handlebars lying furthest from the driver when seated in the riding position.
The clockwise/anticlockwise in £1., 52 £4 and 5 shall be around the axis when viewed from the upper or outer side of the part considered.
5 Individual requirements
5.1 Electrical controls
5.1.1 Ignition switch/main switch
The device that enables the engine to run and may also allow operation of other electrical systems on a vehicle.
In the case of a rotary switch, the direction of motion shall be clockwise from the ignition “off” position to the ignition “on” position.
BS ISO 9021 pdf download.