Reigning 2-straight MX and SX West Champion and winner of every major 250 shootout! More refined for 2017. The best just got even better.Top FeaturesInnovative Engine Design: A liquid-cooled, DOHC 4-valve, fuel-injected engine with forward-positioned downdraft intake delivers class leading engine power, updated for 2017 to further improve top-end power. This engine design allows for unmatched mass centralization, concentrating the motorcycle's key components—engine, fuel tank and exhaust system—toward the center of the motorcycle achieving light and nimble handling performance.