KTM 450 SX-F is a championship winning machine. It’s SOHC engine delivers explosive but controllable power, it is the force behind the success of Red Bull KTM Factory Teams around the world.

FACTORY EDITION features a lightweight chassis and a slim bodywork, a factory installed holeshot device, a floating front brake rotor and a slip-on AKRAPOVIČ muffler.

KTM 450 SX-F is powered by a 450cc SOHC engine pushing out class leading 63hp.

For 2021, WP XACT front forks have been with new internals designed for refined performance, comfort and handling, feature extended oil and air bypasses to reduce pressure peaks while a new mid-valve damping system improves damping control for exceptional feedback and feel.

New 450 SX-F has high-tech, lightweight chrome-moly steel frame with carefully calculated flex parameters provides a great blend of comfort, stability and precision. Single-piece cast aluminum swingarm features a long rear axle slot for increased adjustability, offering better straight-line stability.

New graphics and updated color scheme enhances the visual appearance of 2021 SX-F.


Engine Type: Single Cylinder, 4-Stroke
Displacement: 449.9c c
Power: 63hp
Transmission: 5- speed
Fuel System: Keihin EFI, 44 mm Throttle Body
Final Drive: 13:49
Front Suspension: WP XACT USD Fork, Ø 48 mm
Rear Suspension: WP XACT Monoshock with Linkage
Frame: Central double-cradle-type 25CrMo4 steel


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