Ktm Sx 450 vs Yamaha Yz450f — which has more power?

Ktm Sx 450 produces ~63 hp @ 9,500 rpm (estimated for modern 2020+ generation); Yamaha Yz450f produces Approximately 60–63 hp @ 9,500 rpm (varies by model year; 2020+ models produce near the upper end).

Ktm Sx 450 vs Yamaha Yz450f — which is faster?

Top speed: Ktm Sx 450 ~145 km/h (estimated; note: motocross bikes are not optimized for top speed, this is an approximate real-world figure), Yamaha Yz450f Approximately 145–155 km/h (estimate based on dyno and track testing; not an officially published figure).

Ktm Sx 450 vs Yamaha Yz450f — which is lighter?

Weight: Ktm Sx 450 ~106 kg (wet/curb weight, varies slightly by model year), Yamaha Yz450f 110 kg (curb/wet weight, approximate for 2018–2023 models; earlier models slightly heavier).

Ktm Sx 450 vs Yamaha Yz450f

Side-by-side comparison for used motorcycle buyers

Ktm Sx 450

Yamaha Yz450f

Performance at a Glance

Green = winner per metric · Bars are relative to the higher value

Ktm Sx 450 Yamaha Yz450f

Horsepower (hp)

63 hp

60 hp

Torque (Nm)

54 Nm

53 Nm

Top Speed (km/h)

145 km/h

Weight (kg) — lower is better

106 kg

110 kg

Type

Motocross

Horsepower

~63 hp @ 9,500 rpm (estimated for modern 2020+ generation)

Approximately 60–63 hp @ 9,500 rpm (varies by model year; 2020+ models produce near the upper end)

Torque

~54 Nm @ 7,000 rpm (estimated for modern 2020+ generation)

Approximately 53–55 Nm @ 8,000 rpm (estimate; Yamaha does not officially publish torque figures for this model)

Top Speed

~145 km/h (estimated; note: motocross bikes are not optimized for top speed, this is an approximate real-world figure)

Approximately 145–155 km/h (estimate based on dyno and track testing; not an officially published figure)

Weight

~106 kg (wet/curb weight, varies slightly by model year)

110 kg (curb/wet weight, approximate for 2018–2023 models; earlier models slightly heavier)

Fuel

~7–9 L/100km (estimated; highly variable depending on riding intensity — note: motocross bikes are not typically measured by fuel economy)

Estimated 6–8 L/100km under typical motocross/off-road use (note: highly variable depending on riding intensity; no official road consumption figure exists for this competition-focused bike)

Fairing