Original Kart
kart racing class
Original Kart (OK) is a kart racing class for drivers aged 14 and over, sanctioned by the CIK-FIA. OK is the primary direct-drive class in FIA championships.
The class was originally called Intercontinental A (ICA), introduced in 1981 at the European Championship as a secondary direct-drive class to Formula K. The class was first contested at the World Cup in 2006. In 2007—after 26 seasons of racing—ICA was replaced by KF2 and became the primary class in 2010, replacing KF1 at the World Championship. The KF2 class was renamed to KF upon the demise of KF1 in 2013, and was replaced by OK regulations in 2016.
OK is contested as the primary direct-drive class at the Karting World Championship and the Karting European Championship.
History
Intercontinental A (1981–2006)
In 1981, Intercontinental A (ICA) was introduced alongside Formula K as a secondary direct-drive class for the European Championship.
Stefano Modena completed back-to-back ICA European Championships in 1984, a feat that would not be repeated until Andrea Kimi Antonelli under OK regulations in 2021.
The ICA World Cup was introduced in 2006, the final year of ICA regulations, won by French driver Mike Courquin.
KF2/KF (2007–2015)
In January 2007, the CIK-FIA decided to replace the 100 cc water-cooled two-stroke ICA engines with 125 cc Touch-and-Go (TaG) water-cooled two-stroke KF2 engines, producing 34–36 hp (25–27 kW). Now the secondary class to KF1—which had replaced Formula A—the KF2 class karts used hand-operated front brakes via a lever.
Begin with the source’s own compact description: “Original Kart” is kart racing class. The dossier treats that line as a proposition to test through Original, Kart and kart, not as a finished interpretation.
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The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Aug 23, 2026. The linked authority identifier is Q6328844. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1981, 2006, 2007 and 2010.
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This entry incorporates text from “Original Kart” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.