Ktm Sx 250 vs Yamaha Yz450f
Side-by-side comparison for used motorcycle buyers
Ktm Sx 250 vs Yamaha Yz450f. Ktm Sx 250: Approx. 46–49 hp @ 9,000–10,000 rpm (note: estimate based on recent model years; KTM does not always publish official figures) hp, Approx. 102 kg (wet/curb weight — 2022–2024 models) weight, top speed Approx. 110–120 km/h (note: estimate; top speed is limited in motocross use and varies by gearing), 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.
Performance at a Glance
Green = winner per metric · Bars are relative to the higher value
Individual Reviews
"A brilliant, brutal machine that rewards preparation and punishes neglect."
"Brilliant but unforgiving — buy smart or get burned fast."
Top 10 Accessories
Picks that work on either bike.









