Road vehicles — Motorcycles and mopeds — Symbols for controls, indicators and tell-tales

This document specifies the symbols, i.e. conventional signs, used to identify certain controls, indicators and tell-tales on a motorcycle/moped[1] and to facilitate their usage. This document also indicates the colours of possible optical tell-tales which warn the rider of the operation or malfunctioning of the related devices and equipment. This document is applicable to those controls, indicators and tell-tales, which, when used, are fitted on the instrument panel or in the immediate vicinity of the motorcycle/moped rider. [1] "Motorcycle/moped" as defined in ISO 3833 but does not include a steering wheel type.

Véhicules routiers — Motocycles et cyclomoteurs — Symboles pour les commandes, les indicateurs et les témoins

General Information

Status
Published
Publication Date
08-Mar-2021
Current Stage
6060 - International Standard published
Start Date
09-Mar-2021
Due Date
15-May-2021
Completion Date
09-Mar-2021
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INTERNATIONAL ISO
STANDARD 6727
Third edition
2021-03
Road vehicles — Motorcycles and
mopeds — Symbols for controls,
indicators and tell-tales
Véhicules routiers — Motocycles et cyclomoteurs — Symboles pour les
commandes, les indicateurs et les témoins
Reference number
ISO 6727:2021(E)
©
ISO 2021

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ISO 6727:2021(E)

COPYRIGHT PROTECTED DOCUMENT
© ISO 2021
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
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ii © ISO 2021 – All rights reserved

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ISO 6727:2021(E)

Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 General . 2
5 Colour . 3
6 Summary table of all symbols . 4
Annex A (normative) Lighting and signalling devices . 5
Annex B (normative) Braking systems . 7
Annex C (normative) Visibility. 8
Annex D (normative) Cab environment and comfort . 9
Annex E (normative) Engine .10
Annex F (normative) Fuel system .12
Annex G (normative) Transmission .13
Annex H (normative) Vehicle handling and cruise control .14
Annex I (normative) Active and passive safety systems .15
Annex J (normative) Security .16
Annex K (normative) Electric functions in general and electric road vehicles .17
Annex L (normative) Information and communication .19
Annex M (informative) Generic vehicle shapes .20
Annex N (normative) Miscellaneous .21
Annex O (informative) Special signs .22
Bibliography .23
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ISO 6727:2021(E)

Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.
ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www .iso .org/ patents).
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and
expressions related to conformity assessment, as well as information about ISO's adherence to
the World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT), see
www .iso .org/ iso/ foreword .html.
This document was prepared by Technical Committee ISO/TC 22, Road vehicles, Subcommittee SC 38,
Motorcycles and mopeds.
This third edition cancels and replaces the second edition (ISO 6727:2012), which has been technically
revised.
The main changes compared to the previous edition are as follows:
— the scope has been expanded to mopeds, the third edition of ISO 4129:2012 which was technically
revised has been integrated, and
— new symbols have been added due to technology changes.
Any feedback or questions on this document should be directed to the user’s national standards body. A
complete listing of these bodies can be found at www .iso .org/ members .html.
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INTERNATIONAL STANDARD ISO 6727:2021(E)
Road vehicles — Motorcycles and mopeds — Symbols for
controls, indicators and tell-tales
1 Scope
This document specifies the symbols, i.e. conventional signs, used to identify certain controls, indicators
1)
and tell-tales on a motorcycle/moped and to facilitate their usage.
This document also indicates the colours of possible optical tell-tales which warn the rider of the
operation or malfunctioning of the related devices and equipment.
This document is applicable to those controls, indicators and tell-tales, which, when used, are fitted on
the instrument panel or in the immediate vicinity of the motorcycle/moped rider.
2 Normative references
There are no normative references in this document.
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 https:// www .iso .org/ obp
— IEC Electropedia: available at http:// www .electropedia .org/
3.1
symbol
visually perceptible figure used to transmit information independently of language, produced by
drawing, printing or other means
[SOURCE: ISO 2575:2010, 3.1]
3.2
tell-tale
display that indicates, by means of a light-emitting device, the actuation of a device, a correct or
defective functioning or condition, or a failure to function
[SOURCE: ISO 2575:2010, 3.2]
3.3
sign
visually perceptible graphic, generally larger in size than a symbol (3.1), designed for a label, tag or sticker
[SOURCE: ISO 2575:2010, 3.3]
3.4
application
modification of symbol (3.1) originals in order to maintain visual clarity and overall consistency
[SOURCE: ISO 2575:2010, 3.4]
1) “Motorcycle/moped” as defined in ISO 3833 but does not include a steering wheel type.
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ISO 6727:2021(E)

4 General
4.1 The symbols shall be such that, when viewed by the rider, from their normal seated position or
normal operated position, they are recognizable as shown in Annexes A to O.
4.2 The symbol shall be placed on, or adjacent to, the control or tell-tale to be identified. Where this
is not possible, the symbol and the control or tell-tale shall be joined by a continuous line as short as
possible
4.3 The symbols and signs shall be as given in Annexes A to L and Annex N. Additional symbols are
given in Annexes M and O. Minor deviations to the symbols and signs are permitted, provided they are
necessary to reproduce an accurate representation to the rider's line of sight.
NOTE Additional annexes can be included in future editions of this document if necessary.
4.4 In developing the symbols and signs shown in Annexes A to O, legibility factors such as line
thickness, gaps between lines, symbol and arrow shapes, etc. were carefully considered. Modifications
that improve legibility are permitted in the circumstances specified in 4.4.1, 4.4.2 and 4.4.3. When
modifying symbol elements, the graphic designer should consult IEC 80416-1, ISO 80416-2, IEC 80416-3,
and ISO 80416-4.
4.4.1 Limitations inherent in some reproduction and display technologies can require increased line
thickness or other minor modifications of symbols. Such modifications are acceptable provided the
symbol remains unchanged in its basic graphical elements and is easily discernible by the operator.
4.4.2 Additionally, to improve the appearance and perceptibility of a graphical symbol or to coordinate
with the design of the equipment to which it is applied, it can be necessary to change the line thickness
or to round off the corners of the symbol. The graphic designer is normally free to make such changes
provided that the essential perceptible characteristics of the symbol are maintained.
4.4.3 The graphic designer may render a symbol in either outline or solid form unless this is otherwise
prohibited by the symbol description.
4.5 The vehicle shapes shown in this document are not intended to be restrictive. Modifications to
vehicle shape may be introduced by designers in order to better represent the true exterior shape of a
given vehicle. Except for vehicle shape, no other symbol element shall be changed, except as provided in
4.4 or in the specific symbol's description.
4.6 If, in a symbol, a vehicle or parts of a vehicle are shown in a side view, a vehicle driving from right
to left shall be used.
4.7 For actual use, all symbols shall be reproduced large enough to be easily discernible by the operator.
See IEC 80416-3 for guidelines on the proper sizing of symbols. Symbols shall be used in the orientations
shown in this document unless otherwise noted for individual symbols.
4.8 For most controls, a light symbol on a dark background is preferred. Displays may use either a light
symbol on a dark background or a dark symbol on a light background, depending on which alternative
provides the best visual perception. When a symbol image is reversed (for example black to white and
vice versa), it shall be done for the entire symbol.
4.9 Each symbol used for the identification of a tell-tale, control or indicator shall stand out clearly
against the background.
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ISO 6727:2021(E)

4.10 Letters and numerals may be used as symbols, but are not registered by ISO/TC 145, Graphical
symbols, or published in ISO 7000. For example, the letters R, N, D, listed as symbols ,
have the meaning indicated when used in association with transmission gear controls and displays on
road vehicles. The fonts shown in this document are not intended to be restrictive; other fonts may be
substituted provided that legibility is maintained.
4.11 “Failure” or “malfunction” may be conveyed in two ways:
a) Base symbol combined with a colour code according to 5.1;
b) Base symbol combined with failure symbol ; optionally, an appropriate colour code in
accordance with 5.1 may be added.
4.12 ISO/IEC registration numbers are shown for symbols in this document where applicable.
Registration numbers below 5 000 refer to ISO 7000. Registration numbers above 5 000 refer to
IEC 60417. Artwork in this document might differ from the artwork shown in IEC 60417, ISO 7000 or the
IEC/ISO database on graphical symbols for use on equipment. In this case, the artwork in this document
shall be used.
4.13 The symbol numbers not represented are reserved for those symbols still under consideration at
the time of publication of this document. It is envisaged that the status of these symbols and the numbers
will be resolved by the next revision of this document.
4.14 Symbols in the annexes (except Annex O) of this document are presented at 32 % of original size.
The grid marks “∟” denote the corners of the original 75 mm square. The grid marks are not part of the
symbol but are provided to ensure consistent presentation of all symbol graphics.
4.15 New symbols for functions not yet covered in this document should be constructed using symbols
or elements of symbols from this document in a logical manner, keeping the coherence with other
symbols already published.
5 Colour
5.1 When the following colours are used on the optical tell-tales, they shall have the meaning
indicated below:
— red: danger to persons or very serious damage to equipment, immediate or imminent.
— amber (yellow): caution, outside normal operating limits, vehicle system malfunction, damage to
vehicle likely, or other condition which can produce hazard in the longer term.
— green: safe, normal operating condition (except if blue or amber is required by annexes).
A given symbol may be shown in more than one of these colours in order to convey the indicated
meanings.
5.2 Certain colours are used for specific tell-tales (refer to “symbol description/application” column in
the annexes):
— blue: e.g. high beam, main beam.
— green: e.g. turn signals.
— amber (yellow): e.g. failure of anti-lock brake system.
— red: e.g. hazard warning.
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