# ISO 4106:2004 — Withdrawn and superseded ISO standards

For ISO 4106:2004, item title is Motorcycles — Engine test code — Net power; status code is 9599; successor is ISO 4106:2012; withdrawn / published date is 2004-08-09, recorded from its source on 2026-08-05.

- **Identifier:** ISO 4106:2004 _(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 4106:2012
- **Withdrawn / published date:** 2004-08-09 _(verified: appears in the quote below)_

## What the source says

> 31406,IS,,ISO 4106:2004,Motorcycles — Engine test code — Net power,Motocycles — Code d'essai des moteurs — Puissance nette,2004-08-09,3,['43.140'],ISO/TC 22,9599,[9848],[55363],['en'],11,"<p>ISO 4106:2004 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. Used in conjunction with ISO 15550, it is applicable to reciprocating internal combustion engines (spark-ignition or compression-ignition) -- excluding free-piston engines -- and rotary piston engines, either naturally aspir

## 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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).