ISO 21755-3:2025

International Standard   Current Edition · Approved on 14 November 2025

Motorcycles — Measurement method for evaporative emissions — Part 3: VT-SHED test procedure

ISO 21755-3:2025 Files

English 20 Pages
Current Edition
BHD 62.34

ISO 21755-3:2025 Scope

This document specifies a basic measurement method by using the variable temperature sealed housing for evaporative determination (VT-SHED) 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).

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