Factory Racing performance kit 125 SX 2023-2025Better power delivery Designed to get the best performance from the motorcycle Greater performance due to special engine mapping Suitable for standard silencers Includes a pre assembled factory cylinder with a special port finishing. Gaining additional approx. 2,5 hp on your engine. Saving 15 % weight compared to the stock expansion chamber (ca. 0,3 kg). Approvals: CCCUO_EU, FIM Factory Racing: USED BY FACTORY RACING Mapping: Mapping
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