prBAS ISO 4106:2027
Motorcycles — Engine test code — Net power
General information
Status:Project
Number of pages:24
Adoption method:Korice
Language:engleski
Edition:3.
Realization date:05.10.2026
Forseen date for next stage code:29.10.2026
Technical committee:BAS/TC 35, Road vehicles
ICS:
43.140, Motorcycles and mopeds
Abstract
This document specifies methods for evaluating the performance of engines designed for motorcycles as defined in ISO 3833, in particular with a view to the presentation of power curves and specific fuel consumption at full load as a function of engine speed, for net power assessment. It is applicable to reciprocating internal combustion engines (spark-ignition or compression-ignition) ‒ excluding free-piston engines ‒ and rotary piston engines, either naturally aspirated or pressure-charged and equipped with either mechanical pressure-charger or turbocharger. Particular specifications for the test of compression-ignition engines are specified in Annex A.
Lifecycle
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Original document and degree of correspondence
ISO 4106:2026, identical
Relation to BAS standards
Work material
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