Standard No.:	GB 14621-2011
Chinese Name:	摩托车和轻便摩托车排气污染物排放限值及测量方法（双怠速法）
English Name:	Limits and measurement methods for exhaust pollutants from motorcycles and mopeds under two-speed idle conditions
Professional Classification:	Z64 Discharge standard for mobile pollution sources
Issued by:
Issued on:	2011-05-12
Implemented on:	2011-10-01
Status:	VALID
Replace:	GB14621-2002 Limits and measurement methods for exhaust emissions from motorcycles and mopeds at idle speed
Target Language:	English
File Format:	PDF
Word Count:
Translation Price:	please email coc@codeofchina.com for quotation
Delivery:	via email in

1 Application Scope

This standard specifies the limits and measurement methods for exhaust pollutants from motorcycle and moped under idle speed and high idle speed working conditions.
This standard is applicable to type approval and production conformity inspection for motorcycle and moped equipped with spark-ignition engine and exhaust pollutants inspection for in-service vehicle.

前 言 II
1 适用范围 1
2 规范性引用文件 1
3 术语和定义 1
4 污染物排放控制要求 2
5 排气污染物测量方法 3
6 单一气体燃料和两用燃料车检测要求 3
7 检测结果的判定规则 3
8 标准的实施 3
附录A （规范性附录） 双怠速法测量方法 4