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ISO 21755-3:2025

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

Publication date:   Nov 14, 2025

General information

60.60   Standard published   Nov 14, 2025

ISO

ISO/TC 22/SC 38 Motorcycles and mopeds

International Standard

13.040.50   Transport exhaust emissions | 43.140   Motor cycles and mopeds

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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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PUBLISHED
ISO 21755-3:2025
60.60 Standard published
Nov 14, 2025