# ISO 5163:2005 — Withdrawn and superseded ISO standards For ISO 5163:2005, item title is Petroleum products — Determination of knock characteristics of motor and aviation fuels — Motor method; status code is 9599; successor is ISO 5163:2014; withdrawn / published date is 2005-06-10, recorded from its source on 2026-08-05. - **Identifier:** ISO 5163:2005 _(verified: appears in the quote below)_ - **Item title:** Petroleum products — Determination of knock characteristics of motor and aviation fuels — Motor method _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO 5163:2014 - **Withdrawn / published date:** 2005-06-10 _(verified: appears in the quote below)_ ## What the source says > 40725,IS,,ISO 5163:2005,Petroleum products — Determination of knock characteristics of motor and aviation fuels — Motor method,Produits pétroliers — Détermination des caractéristiques antidétonantes des carburants pour moteurs automobile et aviation — Méthode moteur,2005-06-10,3,['75.160.20'],ISO/TC 28,9599,"[11162,41412]",[61715],"['en','fr','ru']",19,"

ISO 5163:2005 establishes the rating of liquid spark-ignition engine fuel in terms of an arbitrary scale of octane numbers using a standard single-cylinder, four-stroke cycle, variable-compression ratio, carburetted, CFR engine operated at constant speed. Motor octane number (MON) provides a measure of the knock characteristics of motor fu ## 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 Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).