Trail-ready performance with race DNA. The 2026 Yamaha YZ250X delivers powerful 250cc 2-stroke performance with agile handling and precision control.
Built for Cross-Country competition and aggressive trail riding, it’s engineered to excel in varied terrain with confidence and speed.
Whether you’re racing or exploring tough trails, the YZ250X is designed to elevate your ride.
Engineered with all the reliability and durability you've come to expect from Yamaha, this two-stroke was born to win Cross Country races. Featuring a robust 250cc engine, optimized rider ergonomics, and a long list of XC details that solidifies its position as the king of woods!
Features may include:
Lightweight, compact, liquid-cooled, 249cc, piston-reed-valve-inducted, 2-stroke.super crisp, instant "right now" engine power (when in the "power band")
easy & economical to maintain, service & rebuild
Key engine differences Vs YZ250.revised cylinder head volume Vs. YZ250 (slight increase in volume Vs. YZ250)
7.9:1 compression ratio (slightly less than YZ250)
revised YPVS power valve (actuation rpm & shape)
revised exhaust port (main) size & timing
Lightweight, aluminum, semi-double-cradle frame.combines with compact engine to provide an awesome power to weight ratio
Removable rear subframe.constructed of square-section, lightweight aluminum
detachable design allows easy access when servicing rear suspension components
reduces costs in the event of a loop out