Proposal for Supplement 1 to the 01 series of amendments to Regulation No. 92
Reference Number: WP.29/2016/48
Proposal to specify that conditioning of a silencing system is necessary only in cases where exhaust gases come into contact with silencer fibrous materials.
This proposal (WP.29/2016/48) was adopted by the World Forum. Thirteen Contracting Parties out of the 22 applying UN R92 were present for the vote by AC.1. Thirteen voted in favor with zero against and zero abstaining.
Proposal for Supplement 2 to the 01 series of amendments to Regulation No. 92
Reference Number: WP.29/2017/5
Proposal to update the provisions of Regulation No. 92 to a level at least equivalent to the corresponding provisions in the European Union legislation. The document proposes improved terminology and definitions, including new ones, improved sound emission testing conditions and procedures. It also introduces anti-tampering provisions and an “Additional sound emission provisions” (ASEP) statement by the manufacturer.
This proposal (WP.29/2017/5) was adopted by the World Forum. Thirteen Contracting Parties out of the 23 applying UN R92 were present for the vote by AC.1. Thirteen voted in favor with zero against and zero abstaining.
Proposal to introduce requirements for non-original replacement exhaust silencing systems with multiple, manually or electronically adjustable, rider-selectable operating modes or variable geometries (NORESS with “flexibilities”). This is a consolidated version of the amended regulation. For more information on the changes, see document GRB/2018/6 where the changes are marked in bold and strikethrough text.
This proposal (WP.29/2019/7) was adopted by the World Forum. Fifteen Contracting Parties out of the 25 applying UN R92 were present for the vote by AC.1. Fifteen voted in favor with zero against and zero abstaining.
This proposal (WP.29/2025/3) was adopted by the World Forum. Thirty Contracting Parties out of the 44 applying UN R92 were present for the vote by AC.1. Thirty voted in favor with zero against and zero abstaining.