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Kawasaki Kx 450

Suzuki Rm-z 450

Type
Motocross
Motocross
Horsepower
~55 hp @ 9,000 rpm (estimated; Kawasaki does not officially publish power figures — note: dyno results typically range 53–58 hp)
~56 hp @ 9,500 rpm (estimated for modern 2018+ spec)
Torque
~52 Nm @ 7,500 rpm (estimated; official figures not published — note: best estimate based on dyno data)
~51 Nm @ 7,500 rpm (estimated)
Top Speed
~145 km/h (estimated; gearing and terrain dependent — note: best estimate, not manufacturer-specified)
~145 km/h (estimated; dependent on gearing and terrain)
Weight
110 kg (curb weight, 2023 model)
110 kg (wet/curb weight)
Fuel
Estimated 6–9 L/100km (note: highly variable depending on riding intensity; off-road/motocross use is not standardized for fuel economy testing)
~5.5 L/100km (estimated; highly variable under race/off-road conditions)
Fairing
No
No
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