When you see the 2025 KTM 450 SX-F roll off the trailer, you know it means business. With 5 AMA 450 Supercross titles in the last 7 seasons, the 2025 KTM 450 SX-F rolls up to the starting gate already armed with the learnings of past championships – only this time, it’s freshly loaded with an all-new arsenal of weaponry.
5-speed
Electric starter
63.4 mm
95 mm
Wet, DDS multi-disc clutch, Brembo hydraulics
13.1
449.9 cm³
Keihin EMS
1-cylinder, 4-stroke engine
Keihin EFI, throttle body 44 mm
102.6 kg
7.2 l
1493mm
260 mm
220 mm
Disc brake
Disc brake
520, non-sealed
Central double-cradle-type 25CrMo4 steel
WP XACT-USD (AER), Ø 48 mm
343 mm
Neken, aluminium Ø 28/22 mm
WP XACT Monoshock with linkage
958 mm
Aluminium
63.9 °
310 mm
300 mm
Spoked wheels with aluminium rims
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