Directive 97/24/EC on certain components and characteristics of two or three-wheel motor vehicles. Amendments to Directive 97/24/EC (to be published soon) European motor cycle noise regulation - 97/24/EC. DIRECTIVE 97/24/EC OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 17 June 1997 on Directive 97/24/EC of the European Parliament and of the Council of 17 June 1997 on certain components and characteristics of two or three-wheel motor Directive 97/24/EC of the European Parliament and of the Council of 17 June 1997 on certain components and characteristics of two or three-wheel motor Jun 17, 1997 - Note: Directive 97/24/EC repealed Directive 78/1015/EEC and its amending Directives. 87/56/EEC and 89/235/EEC. Purpose of the Directive. Noise limits for Wheel Motor Vehicles (EC Type Approval) Regulations, 2003, Vehicle category according to Directive 97/24/EC, Chapter 7 (if applicable): A/B/C/D (3). 0.5.Jun 17, 1997 - Feb 3, 2012 - Directive 97/24/EC of the European Parliament and of the Council of 17 June 1997 on certain This PDF does not include any changes made by corrigenda.