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ISO 4106:2026

Motorcycles — Engine test code — Net power

Standard Details

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.

General Information

Status : Published
Standard Type: Main
Document No: ISO 4106:2026
Document Year: 2026
Pages: 24
Edition: 5
  • ICS:
  • 43.140 Motorcycles and mopeds

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ISO 4106:2026

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