KTM 450 SX-F

  • 4 stroke
  • 103.1 kg
  • Fuel capacity 7.2 liters
  • Seat height 958 millimeters

The KTM 450 SX-F is a championship-winning motocross machine, delivering immense power and precise handling for those who demand the pinnacle of performance.

Verify specs with KTM →
KTM 450 SX-F
Photo: KTM, checked 2026-10-14.

Specifications

BrandKTM
Power (HP)Not published by KTM
Torque (NM)Not published by KTM
Price$11,649 (US list price, plus $690 freight)
Engine Stroke4
Displacement (cc)449.9
Cylinders1
Weight (without fuel)103.1 kg
Fuel Capacity (l)7.2
Seat Height (mm)958
Gears5
Start TypeNot listed by KTM
Suspension Front (mm)WP XACT-USD (AER), Ø 48 mm
Suspension Rear (mm)WP XACT Monoshock with linkage
FrameCentral double-cradle-type 25CrMo4 steel
Brakes Front (mm)Disc brake
Brakes Rear (mm)Disc brake
ClutchWet, DDS multi-disc clutch, Brembo hydraulics
Bike URLhttps://www.ktm.com/en-us/models/motocross/4-stroke/2027-ktm-450-sx-f.html

Sources:

  • power, torque, weight, seat height, tank, all other specs: KTM 450 SX-F 2027 technical specifications, KTM USA, checked 2026-10-14. KTM publishes no power or torque figure, no brake disc sizes and no start type.
  • price: KTM 450 SX-F 2027, KTM USA, checked 2026-10-14. Closed-course competition use only.

Rider overview

The KTM 450 SX-F is engineered to dominate the motocross track. Its SOHC 4-stroke engine is a powerhouse, delivering massive torque and peak power in a lightweight package. The bike is built around a hydro-formed chromoly frame that provides exceptional rider feedback and stability at high speeds. Equipped with top-tier WP XACT suspension, Brembo brakes, and an advanced electronics package including launch control and multiple maps, the 450 SX-F offers pro-level performance for serious racers and enthusiasts.
Manufacturer source

Compare the KTM 450 SX-F

Pick any rival to see a side-by-side rider-focused comparison — or jump straight into one of the popular matchups below.

Build your own comparison