ISO 6855-1:2012

INTERNATIONAL ISO
STANDARD 6855-1
First edition
2012-09-15
Mopeds — Measurement method for
gaseous exhaust emissions and fuel
consumption —
Part 1:
General test requirements
Cyclomoteurs — Méthode de mesure des émissions de gaz polluants et
de consommation de combustible —
Partie 1: Exigences générales d’essai
Reference number
ISO 6855-1:2012(E)
©
ISO 2012

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ISO 6855-1:2012(E)
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ii © ISO 2012 – All rights reserved

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ISO 6855-1:2012(E)
Contents Page
Foreword .v
Introduction .vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Symbols . 2
5 Standard reference conditions . 4
6 Tests . 4
6.1 Measurement of gaseous exhaust emissions . 4
6.2 Measurement of fuel consumption . 5
7 Measurement equipment . 5
7.1 Chassis dynamometer . 5
7.2 Gas-collection equipment . 5
7.3 Analytical equipment . 6
7.4 Cooling equipment. 6
7.5 Fuel consumption measurement . 7
7.6 Accuracy of instruments and measurements . 7
8 Preparing the test . 8
8.1 Engine fuel and lubricants . 8
8.2 Description of the test moped.
...