Compare Motorcycles
Yamaha Yz 450 F
Ktm Sx 450
Type
Motocross
Motocross
Horsepower
~62 hp @ 9,500 rpm (note: figure based on modern 2020+ models; earlier models ranged 55-60 hp)
~63 hp @ 9,500 rpm (estimated for modern 2020+ generation)
Torque
~52 Nm @ 7,500 rpm (note: estimated based on published dyno data for recent models)
~54 Nm @ 7,000 rpm (estimated for modern 2020+ generation)
Top Speed
~145 km/h (note: estimated under optimal conditions on a straight; varies by rider and terrain)
~145 km/h (estimated; note: motocross bikes are not optimized for top speed, this is an approximate real-world figure)
Weight
110 kg (wet/curb weight, based on 2020+ models)
~106 kg (wet/curb weight, varies slightly by model year)
Fuel
Estimate: ~6-8 L/100km under typical motocross/off-road riding conditions (note: highly variable depending on riding intensity; not designed for road use)
~7–9 L/100km (estimated; highly variable depending on riding intensity — note: motocross bikes are not typically measured by fuel economy)
Fairing
No
No