ISO 21755-1:2019Published

Motorcycles — Measurement method for evaporative emissions — Part 1: SHED test procedure

Motocycles — Méthode de mesure pour les émissions par évaporation — Partie 1: Procédure d'essai SHED

Abstract / scope

This document specifies a basic measurement method by using the SHED (Sealed Housing for Evaporative Determination) test procedure for evaporative emissions from motorcycles. It is applicable to motorcycles equipped with a spark ignition engine (four-stroke engine, two-stroke engine or rotary piston engine).