ISO 21755-2:2020

Motorcycles — Measurement method for evaporative emissions — Part 2: Permeation test procedure

This document specifies a basic measurement method by using a permeation test procedure for evaporative emissions from motorcycles. It is applicable to motorcycles equipped with a fuel tank to store liquid high volatile fuel and with a spark ignition engine (four-stroke engine, two-stroke engine or rotary piston engine).