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Kawasaki Kx 250

Yamaha Yz250f

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
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