Ktm Sx-f 350 vs Yamaha Yz450f — which has more power?

Ktm Sx-f 350 produces ~63 hp @ 10,800 rpm (2023 model estimate); Yamaha Yz450f produces Approximately 60–63 hp @ 9,500 rpm (varies by model year; 2020+ models produce near the upper end). Ktm Sx-f 350 wins by 3 hp.

Ktm Sx-f 350 vs Yamaha Yz450f — which is faster?

Top speed: Ktm Sx-f 350 ~175 km/h (estimated; top speed is not a primary design focus for motocross bikes), Yamaha Yz450f Approximately 145–155 km/h (estimate based on dyno and track testing; not an officially published figure). Ktm Sx-f 350 is the faster of the two.

Ktm Sx-f 350 vs Yamaha Yz450f — which is lighter?

Weight: Ktm Sx-f 350 101 kg (without fuel, as stated by KTM for recent models; approximately 106 kg wet), Yamaha Yz450f 110 kg (curb/wet weight, approximate for 2018–2023 models; earlier models slightly heavier). Ktm Sx-f 350 is lighter by 9 kg.

Ktm Sx-f 350 vs Yamaha Yz450f — which is more reliable?

Motoryk rates Ktm Sx-f 350 8.5/10 and Yamaha Yz450f 8.5/10. Ktm Sx-f 350 caveat: You skip service intervals or ride occasionally. Yamaha Yz450f caveat: Beginners or riders skipping routine maintenance schedules.

Ktm Sx-f 350 vs Yamaha Yz450f — which is better for beginners?

Neither is a typical first-bike pick — Ktm Sx-f 350 63 hp, Yamaha Yz450f 60 hp. Consider a smaller-displacement bike for licensing year one.

Ktm Sx-f 350 vs Yamaha Yz450f — which should I commute on daily?

Both can commute, but lighter weight and gentler power win in traffic. Ktm Sx-f 350: 101 kg, 63 hp. Yamaha Yz450f: 110 kg, 60 hp.

Ktm Sx-f 350 vs Yamaha Yz450f

Q: Ktm Sx-f 350 vs Yamaha Yz450f — which is more fuel-efficient?

Fuel use: Ktm Sx-f 350 ~6.0 L/100km (estimate — varies greatly with riding intensity; note: motocross bikes are rarely measured by fuel economy), Yamaha Yz450f 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). Real-world economy varies by rider weight, traffic, and how hard the throttle gets twisted.

Side-by-side comparison for used motorcycle buyers

Ktm Sx-f 350 vs Yamaha Yz450f. Ktm Sx-f 350: ~63 hp @ 10,800 rpm (2023 model estimate) hp, 101 kg (without fuel, as stated by KTM for recent models; approximately 106 kg wet) weight, top speed ~175 km/h (estimated; top speed is not a primary design focus for motocross bikes), Motoryk rating 8.5/10. Yamaha Yz450f: Approximately 60–63 hp @ 9,500 rpm (varies by model year; 2020+ models produce near the upper end) hp, 110 kg (curb/wet weight, approximate for 2018–2023 models; earlier models slightly heavier) weight, top speed Approximately 145–155 km/h (estimate based on dyno and track testing; not an officially published figure), Motoryk rating 8.5/10.

Ktm Sx-f 350

Yamaha Yz450f

Performance at a Glance

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

Ktm Sx-f 350 Yamaha Yz450f

Horsepower (hp)

63 hp

60 hp

Torque (Nm)

42 Nm

53 Nm

Top Speed (km/h)

175 km/h

145 km/h

Weight (kg) — lower is better

101 kg

110 kg

Type

Motocross

Horsepower

~63 hp @ 10,800 rpm (2023 model estimate)

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

Torque

~42 Nm @ 8,500 rpm (2023 model estimate)

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

Top Speed

~175 km/h (estimated; top speed is not a primary design focus for motocross bikes)

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

Weight

101 kg (without fuel, as stated by KTM for recent models; approximately 106 kg wet)

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

Fuel

~6.0 L/100km (estimate — varies greatly with riding intensity; note: motocross bikes are rarely 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