2025 KTM 450SX-F

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.

ENGINE
TRANSMISSION 5-speed
STARTER Electric starter
STROKE 63.4 mm
BORE 95 mm
CLUTCH Wet, DDS multi-disc clutch, Brembo hydraulics
DISPLACEMENT 449.9 cm³
EMS Keihin EMS
DESIGN 1-cylinder, 4-stroke engine
CHASSIS
WEIGHT (WITHOUT FUEL) 102.6 kg
TANK CAPACITY (APPROX.) 7.2 l
FRONT BRAKE DISC DIAMETER 260 mm
REAR BRAKE DISC DIAMETER 220 mm
FRONT BRAKE Disc brake
REAR BRAKE Disc brake
CHAIN 520, Non-sealed
FRAME DESIGN Central double-cradle-type 25CrMo4 steel
FRONT SUSPENSION WP XACT-USD (AER), Ø 48 mm
GROUND CLEARANCE 343 mm
REAR SUSPENSION WP XACT Monoshock with linkage
SEAT HEIGHT 958 mm
STEERING HEAD ANGLE 63.9 °
SUSPENSION TRAVEL (FRONT) 310 mm
SUSPENSION TRAVEL (REAR) 300 mm

D30702
stock kt
450 450sxf 450sx-f sx-f kx450f