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ISO 21755-3:2025

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

General information

Valid from 14.11.2025
Directives or regulations
None

Standard history

Status
Date
Type
Name
14.11.2025
Main
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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