
Motorcycles — Measurement method for evaporative emissions — Part 3: VT-SHED test procedure
NORMA vydaná dňa 14.11.2025
Designation standards: ISO 21755-3:2025
Publication date standards: 14.11.2025
The number of pages: 20
Approximate weight : 60 g (0.13 lbs)
Country: International technical standard
Kategória: Technické normy ISO
Description / Abstract: 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).