Description
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
- TRANSMISSION5-speed
- STARTERElectric starter
- STROKE63.4 mm
- BORE95 mm
- CLUTCHWet, DDS multi-disc clutch, Brembo hydraulics
- COMPRESSION RATIO13.1
- DISPLACEMENT449.9 cm³
- EMSKeihin EMS
- DESIGN1-cylinder, 4-stroke engine
- FUEL-MIXTURE GENERATIONKeihin EFI, throttle body 44 mm
CHASSIS
- WEIGHT (WITHOUT FUEL)102.6 kg
- TANK CAPACITY (APPROX.)7.2 l
- WHEELBASE1493 mm
- FRONT BRAKE DISC DIAMETER260 mm
- REAR BRAKE DISC DIAMETER220 mm
- FRONT BRAKEDisc brake
- REAR BRAKEDisc brake
- CHAIN520, Non-sealed
- FRAME DESIGNCentral double-cradle-type 25CrMo4 steel
- FRONT SUSPENSIONWP XACT-USD (AER), Ø 48 mm
- GROUND CLEARANCE343 mm
- HANDLEBARNeken, aluminium Ø 28/22 mm
- REAR SUSPENSIONWP XACT Monoshock with linkage
- SEAT HEIGHT958 mm
- SILENCERAluminium
- STEERING HEAD ANGLE63.9 °
- REAR SUBFRAME DESIGNAluminum-reinforced polyamide
- SUSPENSION TRAVEL (FRONT)310 mm
- SUSPENSION TRAVEL (REAR)300 mm
- WHEELSSpoked wheels with aluminium rims
