UN R41 change reports — Noise emissions of motorcycles
UN Regulation No. 41 (ECE R41) — Uniform provisions concerning the approval of motorcycles with regard to noise.
06 series
- 06 series — Supplement 1
For conformity of production tests under paragraph 8.4., the gear determined during type approval now prevails.
- 06 series — Base text
For nPP' ≥ nwot,(i), the RD-ASEP limit of Annex 7 is now the lower of the old line and a new logarithmic line.
05 series
- 05 series — Supplement 5
For conformity of production tests under paragraph 8.4., the gear determined during type approval now prevails.
- 05 series — Supplement 4
The rule in paragraph 6.3.1. against a device or procedure used to pass the noise tests now also names software.
- 05 series — Supplement 3
In Annex 3, the road surface covering of the test site must conform to ISO10844:2021 instead of ISO10844:2014.
- 05 series — Supplement 2
The RD-ASEP table in Annex 1, item 18, has two new rows: approach condition to line AA’ and throttle control position (%).
- 05 series — Supplement 1
Paragraphs 5.5.2. and 5.6. now refer to paragraph 5.5.1. instead of paragraph 5.4.1.
- 05 series — Base text
RD-ASEP: vAA' must now be at least 10 km/h instead of 20 km/h, and vBB' must not exceed 100 km/h for vehicles with PMR>150.
04 series
- 04 series — Supplement 13
For conformity of production tests under paragraph 8.4., the gear determined during type approval now prevails.
- 04 series — Supplement 12
The rule in paragraph 6.3.1. against a device or procedure used to pass the noise tests now also names software.
- 04 series — Supplement 11
In Annex 3, the road surface covering of the test site must conform to ISO10844:2021 instead of ISO10844:2014.
- 04 series — Supplement 10
Paragraphs 5.5.2. and 5.6. now refer to paragraph 5.5.1. instead of paragraph 5.4.1.
- 04 series — Supplement 9
In Annex 3, the road surface covering of the test site must now conform only to ISO 10844:2014.
- 04 series — Supplement 8
New paragraph 5.2.2. says that multiple exhaust or silencing system configurations must be explicitly listed under the same type approval with their respective test results.
- 04 series — Supplement 7
In Annex 7, the Type Approval Authority as well as the technical service must now request tests, instead of “may” request them. Testing is restricted to the reference points and two additional operating conditions inside the ASEP control range, instead of “up to two”.