cylinder kit Top Performances 183cc 58.6mm for Yamaha X-Max, X-City 125i

With this 183cc cylinder, the team at Top Performances has succeeded in translating years of experience with Yamaha into a high quality 4-stroke cylinder kit for tuning suitable for 4-valve fuel injected engines.

This setup is based on high quality materials and the best possible performance. In addition to the piston and gaskets, this Top Performances cylinder kit also includes an ECU made specifically for the injection system of the scooter models.

Technical data:

183cc capacity

63mm bore

58.6mm stroke

11.5:1 compression ratio