2025 Yamaha YZ250FX vs 2025 Kawasaki KX250

Side-by-side specs. Differences are highlighted. Blank = not yet verified for that year-model (we don’t guess).

2025 Yamaha YZ250FXYamaha
2025 Kawasaki KX250Kawasaki

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Spec2025 Yamaha YZ250FX2025 Kawasaki KX250
Class250cc 4-stroke250cc 4-stroke
Displacement250cc249cc
Bore × stroke77 × 53.6 mm78 × 52.2 mm
CoolingLiquid
InductionMikuni fuel injection, 44mmDFI with Keihin 44mm throttle body & dual injectors
Power valve
StarterElectric
Transmission6-speed5-speed
Front suspensionKYB spring-type fork with speed sensitive damping; fully adjustable48mm inverted coil-spring fork
Front travel11.8 in12 in
Rear travel12 in12.1 in
Front brake270mm270mm
Rear brake240mm240mm
Front wheel21"
Rear wheel19"
Seat height37.6 in37.6 in
Wheelbase57.9 in58.5 in
Weight243 lb (Wet weight*** includes the vehicle with all standard equipment and all fluids, including oil, coolant (as applicable) and a full tank of fuel. It does not include the weight of options or accessories.)240.8 lb (curb (with fuel))
Fuel capacity2.1 gal1.64 gal
MSRP$8,999

Highlighted (blue) rows differ between the two. Verified manufacturer data; see each bike’s page for sources. Torque/fluid specs are on the individual pages (service-manual only).