Kawasaki Kx 250 vs Yamaha Yz250f
Side-by-side comparison for used motorcycle buyers
Performance at a Glance
Green = winner per metric · Bars are relative to the higher value
Kawasaki Kx 250
Yamaha Yz250f
Horsepower (hp)
40 hp
40 hp
Torque (Nm)
28 Nm
26 Nm
Top Speed (km/h)
120 km/h
145 km/h
Weight (kg) — lower is better
110 kg
105 kg
Type
Motocross
Motocross
Horsepower
Approximately 40–42 hp @ 13,000 rpm (2020+ 4-stroke model; earlier 2-stroke models varied)
~40 hp @ 12,500 rpm (estimated for modern 2019+ models; earlier models slightly less)
Torque
Approximately 28–30 Nm @ 10,500 rpm (2020+ 4-stroke model; estimate)
~26 Nm @ 10,000 rpm (estimated)
Top Speed
Approximately 120–130 km/h (estimate; motocross bikes are not optimized for top speed)
~145 km/h (estimated; not designed for top speed — purpose-built motocross racer)
Weight
110 kg (curb weight, 2020+ model)
~105 kg (wet/curb weight — 2020+ models; earlier models slightly heavier)
Fuel
Estimated 6–8 L/100km (note: varies greatly depending on riding intensity; off-road/motocross use makes precise figures difficult to standardize)
~5.5 L/100km / ~18 km/L (estimated; varies significantly with riding intensity — note: off-road/motocross use makes precise figures difficult to pin down)
Fairing
No
No
Individual Reviews
Kawasaki Kx 250
8.2/10
"Buy it right and you'll grin every single lap."
Pros
+Explosive, rewarding power delivery
+Sharp, responsive chassis
+Strong parts availability
Cons
−Punishing for inexperienced riders
−Two-stroke maintenance costs pile up
−Power valve requires regular attention
Yamaha Yz250f
8.5/10
"The used YZ250F is a brilliant buy with documented service history."
Pros
+Bulletproof when properly maintained
+Best-in-class KYB suspension
+Predictable, confidence-inspiring handling
Cons
−Valve maintenance costs add up
−Older models feel underpowered
−Parts aren't cheap