ISO INTERNATIONAL STANDARD 6855-3 First edition 2012-09-15 Mopeds Measurement method for gaseous exhaust emissions and fuel consumption - Part 3: Fuel consumption measurement at a constant speed Cyclomoteurs - Méthode de mesure des émissions de gaz polluants et de consommation de combustible Partie 3: Mesure de consommation de combustible a vitesse constante Reference number IS0 6855-3:2012(E) ISO CoyrhtInationarganizatiofrStandardizaio @ ISO 2012 ed without license from IHS Not for Resale IS0 6855-3:2012(E) COPYRIGHT PROTECTED DOCUMENT ISO2012 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either IsO at the addressbeloworIso'smemberbodyinthecountryoftherequester. ISo copyright office Case postale 56 : CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyright@iso.org Web www.iso.org Published in Switzerland @ IS0 2012 - All rights reserved Not for Resale IS0 6855-3:2012(E) Contents Page Foreword ..iv Introduction. ..V 1 Scope. ..1 2 Normative references 3 Terms and definitions 4 Symbols. ..2 5 General requirements .2 6 Road measurement method .3 6.1 Rider and riding position .3 6.2 Testtrack .3 6.3 Ambient conditions for the road test. .3 6.4 Measuring instruments on the test moped for the road test ..4 6.5 Test method .4 7 Chassis dynamometer measurement method .5 7.1 Test method ..5 8 Presentation of results ..6 Annex A (normative) Determination method of fuel consumption Annex B (normative) Presentation of results of fuel consumption .9 Bibliography .15 iii ithout license from IHS Not for Resale