Yoshimura Refines Yamaha 2014-2018 YZ250F Full Systems – New Offering for Blue Riders

CHINO, CA (November 6, 2017) – Yamaha’s YZ250F is the choice of many rippers in the 250 class. Yoshimura, in our endless endeavor to make the best, most usable power, we have refined our 2014-18 Yamaha YZ250F full systems. Our new RS-4 systems deliver 12% peak HP and 11% peak torque while enabling the YZ250F

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