本国际标准规定了在检查或维护期间直接测量ISO 3833中定义的摩托车废气排放浓度的方法。本国际标准测量的结果显示了发动机空载工况下的气体排放浓度。适用于装有火花点火发动机（四冲程发动机或二冲程发动机）的摩托车。包含以下内容:BS ISO 17479:2013

This International Standard specifies methods for the direct measurement of the concentration of gaseous exhaust emissions from motorcycles as defined in ISO 3833 during inspection or maintenance. The results measured by this International Standard show the concentration of gaseous exhaust emissions in the no-load engine operating condition. It is applicable to motorcycles having spark ignition engines (four-stroke engines or two-stroke engines).Incorporates the following:BS ISO 17479:2013