6725 nternational Standard (TSO INTERNATIONAL ORGANIZATION FOR STANDARDIZATIONOMEKAYHAPOAHAA OPIAHW3ALMA HO CTAHAAPTW3ALMMORGANISATION INTERNATIONALE DE NORMALISATION Road vehicles - Dimensions of two-wheeled mopeds and motorcycles - Terms and definitions Véhicules routiers - Dimensions des cyclomoteurs et des motocycles a deux roues - Denominations et definitions First edition -- 1981-07-01 UDC 629.118.6 : 001.4 Ref. No. 1SO 6725-1981 (E) ISO 6725-1981 (E) Descriptors : road vehicles, motorcycles, mopeds, dimensions, definitions, graphic methods, reference planes, Price based on 8 pages Copyright International Organization for Standardization Not for Re Foreword Iso (the International Organization for Standardization) is a worldwide federation of national standards institutes (IsO member bodies). The work of developing Inter- national Standards is carried out through Iso technical committees. Every member body interested in a subject for which a technical committee has been set up 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. Draft International Standards adopted by the technical committees are circulated to the member bodies for approval before their acceptance as International Standards by the IsO Council. International Standard ISO 6725 was developed by Technical Committee ISO/TC 22, Road vehicles, and was circulated to the member bodies in June 1979. It has been approved by the member bodies of the following countries : Austria Italy South Africa, Rep. of Belgium Japan Spain Brazil Korea, Dem. P. Rep. of Switzerland Chile Korea, Rep. of United Kingdom Libyan Arab Jamahiriya Czechoslovakia USA France Netherlands USSR Germany, F.R. Poland Romania. India No member body expressed disapproval of the document. @ International Organization for Standardization, 1981 Printed in Switzerland ii Copyright International Organization for Standardization Notfor Resa Contents Page Scope 2 Field of application 3 References. 4 Reference planes and general considerations 5 Longitudinal median plane (plane Y) Terms and definitions 3 6 6.1 Length . 3 6.2 Width 3 6.3 Height 3 6.4 Wheel base 6.5 Front overhang 6.6 Rear overhang 6.7 Ground clearance 5 6.8 Ramp angle. 6.9 Approach angle 5 6.10 Departure angle 6.11 6 Castor 6 6.12 Castor angle 6.13 Residual vertical wheel clearance 6.14 Turning circle diameter . 6.15 Turning clearance circle diameters 6.16 Banking angle. . CopyrightInternational Organization for Standardization d without Not for Resale