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Status : Active
Standard Type : Main
Document No : ISO 21755-3:2025
Document Year : 2025
Pages : 20
Edition : 1
Section Volume : Motorcycles and mopeds (ISO/TC 22/SC 38.)
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).