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March 2024 article update
On the occasion of the FIA Karting 2023 homologation cycle (dedicated to engines, carburetors, ignitions and intake silencers), TM Kart has updated its Direct Drive powertrain offer, launching the new OK-S3 Senior and OK-S3 Junior models, intended for the CIK-FIA OK and OKJ direct drive categories, respectively. These engines have immediately shown excellent performance in all international competitions (WSK and FIA Karting) in which they have been used. With no doubt, however, the pinnacle - in terms of results - was reached at the FIA Karting World Championship OKJ 2023 in Franciacorta where a chassis equipped with an OK-S3 Junior engine triumphed (for more, read "Must Have | The accessories of Forza Racing's Exprit Noesis RR, winner of the FIA Karting World Championship OKJ 2023, in Franciacorta").
We went to TM Kart's new headquarters to find out what new features the Italian company has introduced with the OK-S3 Senior and OK-S3 Junior engines, which compared to their S2 predecessors represent an update rather than a revolution. The biggest novelties, in fact, are refinements in the thermal part and tricks to improve cooling. How, here's what we found out.