Yamaha's 250cc four-stroke motocross racer and its cross-country version.
2001 – present · 250cc · 4-stroke
All-new higher-revving engine, hydraulic clutch, new YZ450F-derived frame and KYB shock.
2015 – present · 250cc · 4-stroke
All-new aluminum frame from the YZ250F with its own mounts and subframe, new intake and traction control.
New chassis from the 2023 YZ450F, new bodywork and intake around a largely carried-over engine.
All-new engine with electric start, new frame and the Power Tuner app.
All-new fuel-injected, rearward-slanted four-valve engine in a new bilateral-beam aluminum frame.
Revised engine with a lower centre of gravity; last carbureted, forward-cylinder generation.
All-aluminum frame replaced the steel chassis around the carbureted five-valve engine.
Original five-valve carbureted 250F in a steel frame; aluminum subframe and auto-decompression arrived in 2003.
Updated around the 2019 YZ250F engine and chassis.
Launched on the fuel-injected, reverse-cylinder YZ250F platform with a WR250F-type frame and electric start.