ISO INTERNATIONAL STANDARD 4164 Second edition 2012-09-15 Mopeds - Engine test code - Net power Cyclomoteurs - Code d'essai des moteurs Puissance nette Reference number ISO 4164:2012(E) ISO @ISO2012 No reproduction or networking permitted without license from IHS Not for Resale IS0 4164:2012(E) COPYRIGHT PROTECTED DOCUMENT IS0 2012 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.+41227490111 Fax +41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @ IS0 2012 - All rights reserved No reproduction or networking permited without license from IHS Not for Resale IS0 4164:2012(E) Contents Page Foreword ..iv 1 Scope .1 2 Normative references ..1 3 Terms and definitions 4 Symbols ..2 5 Standard reference conditions ..2 6 Tests .3 6.1 General .3 6.2 Measuring equipment and instrument accuracy .3 6.3 Setting and test conditions .3 6.4 Test procedure. 10 7 Torque, power and specific fuel consumption .10 7.1 Calculation of measured torque, measured power and specific fuel consumption .10 7.2 Net torque and net power .11 7.3 Corrected net torque and corrected net power .12 8 Test report ..13 8.1 General .13 8.2 The description of test report 13 8.3 Statement of results. .16 Bibliography .19 iii se with ISt without license from IHS Not for Resale