BS ISO 9021:2020 pdf download – Motorcycles and mopeds — Controls — Types, positions and functions
This document describes the types, positions and functions of the rider-operated controls on a motorcycle/moped 1) , 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 electrically propelled motorcycle/moped 1) .
This document applies to those controls which, when fitted, are commonly used by the rider of a motorcycle/moped.
The definition or specification of a control does not signify the mandatory presence of each and every control listed in this document on a vehicle.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
ISO 6727, Road vehicles — Motorcycles and Mopeds — Symbols for controls, indicators and tell-tales
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at
— IEC Electropedia: available at
motorcycles and mopeds as defined in ISO 3833 but not including a steering wheel type
element or assembly of elements used to perform one or more functions
device (3.2) operated by the rider to obtain functions for which the different mechanisms of the vehicle (3.1) are designed EXAMPLE Accelerator, brake, etc.
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 5.1, 5.2, 5.3, 5.4 and 5.5 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 5.6 (“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
— Front brake (see 5.3.1).
— Rear brake (alternative) (see
— Clutch (see 5.4.1).
— Horn (audible warning device) (see 5.5.1).
— High (main/driving) beam/low (dipped/passing) beam control (see
— 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
4.3 Access
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.
4.4? Identification
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 5.2, 5.3, 5.4 and 5.5 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 5.3 and 5.4 shall be the part of the handlebars lying furthest from the driver when seated in the riding position.
4.5.3 Clockwise/anticlockwise
The clockwise/anticlockwise in 5.1, 5.2, 5.4 and 5.5 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.
5.2 Engine controls
5.2.1 Starting Starter switch/electric starter
The starter switch/electric starter shall be operated as follows:
— Position of control: on handlebars, right side
— Type of control: push Combined ignition/starter switch
In the case of a rotary switch, motion shall be clockwise, passing from ignition “off” to ignition “on” and then to the starter energizing position.BS ISO 9021 pdf download.