ISO INTERNATIONAL STANDARD 4106 Fourth edition 2012-06-01 Motorcycles Engine test code Net power Motocycles -Code d'essai des moteurs -Puissance nette Reference number ISO 4106:2012(E) LSO @ISO2012 py IHS under lic No reproductic itted without license from IHS Not for Resale ISO 4106:2012(E) COPYRIGHTPROTECTEDDOCUMENT 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 address below or ISO's member body in the country of the requester. ISO copyright office Case postale 56 · CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 4122 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @ ISO 2012 -All rights reserved y IHS unde etworking permitted without license from IHS Not for Resale ISO 4106:2012(E) Contents Page Foreword ..iv Introduction 1 Scope 2 Normative references 3 Terms and definitions 4 Symbols 5 Standard reference conditions 2 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. 7 Torque, power and specific fuel consumption. 8 7.1 Calculation of measured torque, measured power and specific fuel consumption 8 7.2 Net torque and net power. 8 7.3 Corrected net torque and corrected net power. 8 Test report 10 8.1 General. 10 8.2 Thedescription of test report 10 8.3 Statement of results .. 14 Annex A (normative)Test method for compression-ignition engines 17 Bibliography 24 ili e with I cense from IHS Not for Resale