UN Regulation No. 41: Motorcycle Noise

Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise

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Date Reference Description Status
20 Jan 2020 GRBP-71-09
UN R41 Proposal for amendments to the 04 series of amendments
Working Party Informal Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise The text prepared by the expert from the International Motorcycle Manufacturers Association (IMMA) to amend UN Regulation No. 41-04 (up to Supplement 7), in order to clarify the implications of footnote one on the requirements specified in Annex 4.
20 Jan 2020 GRBP-71-10
UN R41: Proposal for amendments to the 04 series of amendments
Working Party Informal Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise Proposal for amendment by IMMA to address the issue of stationary noise measurements on a single sided dual exhaust system.
13 Jan 2020 ASEP II-15-03
UN R41: ASEP Revision
Informal Group Informal Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise
13 Jan 2020 ASEP II-15-04
UN R41: Proposal for ASEP 2.0 Rev. 1- New series of amendments
Informal Group Informal Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise
28 Jan 2020 ASEP II-15-05
Draft ASEP II informal group status report to GRBP
Informal Group Informal Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions
23 Jan 2020 GRBP-71-17
UN R41 Proposal for a new series of amendments
Working Party Informal Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise The text was prepared by the expert from the International Motorcycle Manufacturers Association (IMMA) to amend the ASEP requirements
28 Jan 2020 GRBP-71-18/Rev.2
UN R41: Proposal for amendments to Supplement 6 to the 04 series of amendments
Working Party Informal Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise The text was prepared by the expert from the International Motorcycle Manufacturers Association (IMMA) to amend Supplement 6 to 04 series of amendments, aiming to minimize proliferation of approval numbers
28 Jan 2020 GRBP-71-19/Rev.1
UN R41: Presentation supporting the proposal to amend ASEP
Working Party Informal Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise Presentation by the expert of IMMA supporting the proposed amendment to ASEP (GRBP-71-17)
27 Jan 2020 TFRWS-09-06
Presentation on "Bruitparif": Road noise in the environment
Informal Group Informal Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions
17 Jan 2020 ASEP II-15-06
ASEP: email message confirming preference for "two-step approach"
Informal Group Informal Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise
28 Jan 2020 ASEP II-15-07
ASEP: Concept for a real-driving model
Informal Group Informal Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions
29 Jan 2020 GRBP-71-24
UN R51 : Proposal for revision of ASEP as a future concept of real driving
Working Party Informal Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions Text by IWG ASEP for revision of ASEP as a future concept of real driving
29 Jan 2020 GRBP-71-25
UN R51 : ASEP II informal group status report
Working Party Informal Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions Quiet Road Transport Vehicles Quiet Road Transport Vehicles Uniform provisions concerning the approval of Quiet Road Transport Vehicles with regard to their reduced audibility (QRTV) Text submitted by chair of IWG ASEP for the status report
12 Mar 2020 ASEP II-15-09
Draft report of the 15th ASEP II informal group session
Informal Group Report Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions
31 Mar 2020 WP.29/2020/70
UN R41: Proposal for Supplement 8 to the 04 series of amendments
World Forum Working Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise Proposal to introduce provisions for stationary noise measurements on a single-sided dual exhaust system, minimize proliferation of approval numbers from models with differences in vehicle exhaust and silencing systems, and correct an omission regarding the compensating resevoir fill time thereby aligning UN R41 with the other noise UN Regulations Nos. 9, 51 and 63.
24 Apr 2020 TFMU-05-01/Rev.1
Draft agenda for the 5th TFMU session
Informal Subgroup Agenda Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions
24 Apr 2020 TFMU-05-03
Noise Measurement: Justifications for uncertainty tolerances
Informal Subgroup Informal Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions
05 Jun 2020 ASEP II-16-01/Rev.2
Agenda for the 16th ASEP II informal group session
Informal Group Agenda Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions
15 May 2020 ASEP II-16-03
Resolution of the Federal Council 125-20 on motorcycle noise
Informal Group Informal Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise
29 May 2020 ASEP II-16-04
ZEIT online article: BundesRat Against Bikers
Informal Group Informal Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise Article commenting on the German Federal Council decision regarding reduction of motorcycle noise.
29 May 2020 ASEP II-16-05
Motorcycle noise bans in Tyrol from 10 June
Informal Group Informal Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise Motorrad online article concerning Austrian measures to ban loud motorcycles from certain roads.
05 Jun 2020 ASEP II-16-07/Rev.1
UN R41: Revised ASEP 2.0 provisions
Informal Group Informal Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise
04 Jun 2020 ASEP II-16-08/Rev.1
Updated terms of reference for the ASEP II informal group
Informal Group Informal Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions
05 Jun 2020 ASEP II-16-09
Study for ASEP 2nd step: Motorcycle sound model considerations
Informal Group Informal Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise
05 Jun 2020 ASEP II-16-10
UN R41: ASEP 1st step-Changes since last ASEP informal group session
Informal Group Informal Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise
25 Jun 2020 TFMU-06-01
Notification of session postponement
Informal Subgroup Informal Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions The scheduled 1-2 July session has been postponed. A new date will be announced when available.
24 Jun 2020 GRBP/2020/18
UN R41: Proposal for amendments to the 04 series of amendments
Working Party Working Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise Per the transitional provisions of Supplement 3 to the 04 series of amendments, from 20 January 2021, the specifications for the test site reproduced in Annex 4 will be replaced by the provisions of ISO 10844:2014. Therefore, this proposal aims to align the 04 series of amendments with ISO 10844:2014, replacing provisions from ISO 10844:1998 (and proposing a clearer image for Figure 1).
24 Jun 2020 GRBP/2020/9
UN R41: Proposal for a new 05 series of amendments
Working Party Working Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise Proposals prepared by the ASEP II informal working group to clarify UN R41 and introduce provisions to improve testing to be more representative of real-world operation by expanding the scope of tests.
21 Jul 2020 ASEP II-16-02
Attendance list from the 16th ASEP II informal group session
Informal Group Report Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions
11 Aug 2020 ASEP II-16-00
Calendar of GRBP-related meetings
Informal Group Informal Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions Updated version of document GRBP-71-13-Rev.2 submitted for the September 2020 GRBP session.
11 Aug 2020 ASEP II-16-11
Draft report of the 16th ASEP II informal group session
Informal Group Report Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions
11 Aug 2020 ASEP II-16-11/Rev.1
Revised draft report of the 16th ASEP II informal group session
Informal Group Report Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions
02 Sep 2020 GRBP-72-05
UN R41: Proposal for amendments to GRBP/2020/9
Working Party Informal Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise
07 Sep 2020 GRBP-72-12
GRBP priorities
Working Party Informal Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance Tire Noise, Wet Adhesion, and Rolling Resistance Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and/or to adhesion on wet surfaces and/or to rolling resistance Tire Pressure Monitoring Systems Tire Pressure Monitoring Systems Uniform provisions concerning the approval of vehicles with regard to their tyre pressure monitoring systems Tyre Installation Tyre Installation Regulation on uniform provisions concerning the approval of motor vehicles with regard to the installation of their tyres (tentative title pending regulation development) Audible Reversing Warning Systems Reversing Warning
06 Sep 2020 GRBP-72-13
UN R41: Proposal for amendments to document GRBP/2020/18
Working Party Informal Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise
07 Sep 2020 GRBP-72-14
UN R41: Proposal for amendments to document GRBP/2020/9
Working Party Informal Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise
07 Sep 2020 GRBP-72-16
Status report of the ASEP II informal group
Working Party Informal Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions
23 Sep 2020 TFMU-06-01
Draft agenda for the 6th Sound Measurement Uncertainties task force session
Informal Subgroup Agenda Motorcycle Noise Motorcycle Noise Uniform Provisions Concerning the Approval of Motor Cycles with regard to Noise Vehicle Noise Emissions Vehicle Noise Uniform Provisions Concerning the Approval of Motor Vehicles having at least Four Wheels with regard to their Noise Emissions