It's here! The RS-12 for the 2019-20 Yamaha YZ250F!After over three years in development and testing we are pleased to announce our RS-12 is here for the Yamaha YZ250F! With the help of incredibly talented factory...
Introducing the newest RS-12 full system from Yoshimura R&D of America for the KTM 2023 SX-F250 and Husqvarna 2023 FC250.The Austrian 250 engine that is the heart of the KTM and Husqvarna is a brand-new platform...