Proposal to clarify UN R41 and introduce provisions to improve testing to be more representative of real-world operation by expanding the scope of test and to align the Regulation with ISO 10844:2014, replacing provisions from ISO 10844:1998 (and proposing a clearer image for Figure 1).
| Reference Number: | WP.29/2021/3 |
| Meeting Session(s): | 183rd WP.29 session (9-11 Mar 2021) |
| Document date: | 17 Dec 20 |
| Document status: | Adopted text published |
| Regarding: | UN R41 Motorcycle Noise |
| Adoption Vote | |
| This proposal (WP.29/2021/3) was adopted by the World Forum. Thirty-five Contracting Parties out of the 48 applying UN R41 were present for the vote by AC.1. Thirty-five voted in favor with zero against and zero abstaining. | |
| View full document file for more information | |
Proposal to correct some references, which need to be updated as a consequence of document WP.29/2020/70, adopted at the June 2020 WP.29 session, notably
| Reference Number: | WP.29/2021/76 |
| Meeting Session(s): | 184th WP.29 session (22-24 Jun 2021) |
| Document date: | 09 Apr 21 |
| Document status: | Adopted by WP.29 |
| Regarding: | UN R41 Motorcycle Noise |
| Adoption Vote | |
| This proposal (WP.29/2021/76) was adopted by the World Forum. Thirty-five Contracting Parties out of the 48 applying UN R41 were present for the vote by AC.1. Thirty-five voted in favor with zero against and zero abstaining. | |
| View full document file for more information | |
Proposal to complete the additional sound emission provisions’ table of the communication form in the 05 series of amendments to UN R41 to avoid oversight in data collection and entries.
| Reference Number: | WP.29/2023/72 |
| Meeting Session(s): | 190th WP.29 session (19-22 Jun 2023) |
| Document date: | 26 Apr 23 |
| Document status: | Adopted by WP.29 |
| Regarding: | UN R41 Motorcycle Noise |
| Adoption Vote | |
| This proposal (WP.29/2023/72) was adopted by the World Forum. Thirty-two Contracting Parties out of the 50 applying UN R41 were present for the vote by AC.1. Thirty-two voted in favor with zero against and zero abstaining. | |
| View full document file for more information | |
Proposal to allow use of state-of-the-art test tracks per the latest standard ISO 10844:202
| Reference Number: | WP.29/2024/68 |
| Meeting Session(s): | 193rd WP.29 session (24-28 Jun 2024) |
| Document date: | 08 Apr 24 |
| Document status: | Adopted by WP.29 |
| Regarding: | UN R41 Motorcycle Noise |
| View full document file for more information | |
Proposal to
| Reference Number: | WP.29/2025/70 |
| Meeting Session(s): | 196th WP.29 session (23-27 Jun) |
| Document date: | 09 Apr 25 |
| Document status: | Adopted by WP.29 |
| Regarding: | UN R41 Motorcycle Noise |
| View full document file for more information | |
Proposal to clarify the gear selection procedure pursuant to the amendment to allow deviation from the reference acceleration awot,ref requirement for Conformity of Production tests.
| Reference Number: | GRBP/2025/19 |
| Submitted by: | IMMA |
| Meeting Session(s): | 82nd GRBP session (3-5 Sep) |
| Document date: | 19 Jun 25 |
| Document status: | Formal GR review |
| Regarding: | UN R41 Motorcycle Noise |
| View full document file for more information | |
| Documents establishing the amendments | |||||
|---|---|---|---|---|---|
| 05 series of amendments | WP.29/2021/3 | ||||
| Supplement 1 | WP.29/2021/76 | ||||
| Supplement 2 | WP.29/2023/72 | ||||
| Supplement 3 | WP.29/2024/68 | ||||
| Supplement 4 | WP.29/2025/70 | ||||
| Supplement 5 | GRBP/2025/19 | ||||