
Motorcycles — Measurement method for evaporative emissions — Part 3: VT-SHED test procedure
NORMA vydána dne 14.11.2025
Označení normy: ISO 21755-3:2025
Datum vydání normy: 14.11.2025
Počet stran: 20
Přibližná hmotnost: 60 g (0.13 liber)
Země: Mezinárodní technická norma
Kategorie: 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).