KTM 450 SX-F | 2025

THE TOP OF THE FOODCHAIN.

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.This motorcycle is designed, developed and produced in Austria.

ENGINE

• Transmission: 5-speed
• Starter: Electric starter
• Stroke: 63.4 mm
• Bore: 95 mm
• Clutch: Wet, DDS multi-disc clutch, Brembo hydraulics
• Compression ratio: 13.1
• Displacement: 449.9 cm³
• EMS: Keihin EMS
• Design: 1-cylinder, 4-stroke engine
• Fuel-Mixture Generation: Keihin EFI, throttle body 44 mm

CHASSIS

• Weight (without fuel): 102.6 kg
• Tank capacity (approx.): 7.2 l
• Wheelbase: 1493 mm
• 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
• Handlebar: Neken, aluminium Ø 28/22 mm
• Rear suspension: WP XACT Monoshock with linkage
• Seat height: 958 mm
• Silencer: Aluminium
• Steering head angle: 63.9 °
• Rear Subframe Design: Aluminum reinforced polyamide
• Suspension travel (front): 310 mm
• Suspension travel (rear): 300 mm
• Wheels: Spoked wheels with aluminium rims