125 Factory performance kit

Description

This is a genuine KTM PowerParts item supplied by the motorcycle manufacturer, not an aftermarket replacement. Includes Factory cylinder head with variable combustion chamber, suitable for standard silencers. Greater performance due to special engine mapping and better power delivery. Gaining additional approx. 2,5 hp on the engine. Saving 15 % weight compared to the stock expansion chamber (ca. 0,3 kg).