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Problems with noise emissions of L-category vehicles
Document GRB-66-12
31 August 2017
66th GRB session (4-6 Sep 2017)

Discussion of motorcycle and related vehicle noise issues, especially related to aftermarket modification (non-original replacement exhaust silencer systems (NORESS)).

Submitted by Germany
Status: Superseded
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Previous Documents, Discussions, and Outcomes
177th WP.29 session (11-15 Mar 2019)
4.6. | Consideration of draft amendments to existing UN Regulations submitted by GRBP
4.6.5. | Proposal for the 02 series of amendments to UN Regulation No. 92 (Replacement exhaust silencing systems for motorcycles)
68th GRB session (12-14 Sep 2018)
3. | UN Regulation No. 41 (Noise emissions of motorcycles): Development

4. The expert from IMMA proposed amendments which make additional sound emission provisions (ASEP) testing mandatory (ECE/TRANS/WP.29/GRB/2018/11). GRB adopted the proposals and requested the secretariat to submit them to WP.29 and AC.1 for consideration and vote at their March 2019 sessions as a draft Supplement 7 to the 04 series of amendments UN Regulation No. 41.

8th ASEP II session (10-12 Jul 2018)
66th GRB session (4-6 Sep 2017)
3. | Regulation No. 41 (Noise emissions of motorcycles): Development
5. | Regulation No. 63 (Noise emissions of mopeds)
10. | Exchange of information on national and international requirements on noise levels
Related and Previous Documents
GRB/2018/11
WP.29/2019/7
Relates to UN R41 | UN R63 | UN R92 |
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