# ISO 4106:2012 — Withdrawn and superseded ISO standards

For ISO 4106:2012, item title is Motorcycles — Engine test code — Net power; status code is 9599; successor is ISO 4106:2026; withdrawn / published date is 2012-05-21, recorded from its source on 2026-08-05.

- **Identifier:** ISO 4106:2012 _(verified: appears in the quote below)_
- **Item title:** Motorcycles — Engine test code — Net power _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO 4106:2026
- **Withdrawn / published date:** 2012-05-21 _(verified: appears in the quote below)_

## What the source says

> 55363,IS,,ISO 4106:2012,Motorcycles — Engine test code — Net power,Motocycles — Code d'essai des moteurs — Puissance nette,2012-05-21,4,['43.140'],ISO/TC 22/SC 38,9599,[31406],[89960],['en'],24,"<p>This International Standard 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-

## Source

- https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv

Last verified: 2026-08-05. Review by: 2027-02-01.
Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).