KTM 450 SX-F

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KTM 450 SX-F - Most powerful motocross motorcycle from KTM. The engine is not only powerful, it is also the quietest in the class. The WP suspension components are improved every year.

The KTM motorcycle is the lightest in the 450 class. It is equipped with advanced components such as an electric starter, Brembo braking system and a hydraulic clutch. All these qualities make the SX-F an excellent cross-country bike. The lineup:

Main competitors:


As of 2019, the KTM 450 SX-F engine features a more compact cylinder head. It is 15mm lower and 500g lighter than the 2018 model. The motocross bike is equipped with a Pankl transmission, 44mm throttle body, new ECU cards, lithium-ion starting battery, modified air intake. In addition, the traction control function has been improved and the launch control has been reconfigured. The KTM 450 SX-F delivers power smoothly and predictably. The SX-F has two modes of operation, which are activated by a dedicated switch on the left side of the steering wheel.

450SX-F ENGINE.png


The SX and XC come with a WP XACT fork and rear shock, while the W and EXC come with XPLOR suspension. In particular, the Factory Edition fork has calibrated pistons for tighter mating, which makes it possible to increase the pressure in the forks. The rear shock has a preload adjuster for more precise adjustment. The traverses resemble the Xtrig traverse structure, but the aluminum profile is much more rounded and more milled in the center sections.

450SX-F FRAME.png



Specifications KTM 450 SX-F:

ModelKTM 450 SX-F
Motorcycle typeCross
Release year2006-
Engine type1-cylinder, 4-stroke, in-line
Working volume449.9 cm³
Bore / Stroke95 x 63.4 mm
Compression ratio12.5: 1
Number of valves per cylinderSOHC, 4 valves per cylinder
Fuel supply systemKeihin EFI
Ignition typeKeihin EMS
Maximum power62.00 h.p.

63.00 h.p. (2021+)

Maximum torque50.00 Nm
ConcatenationWet multi-disc DDS, hydraulically operated by Brembo
Drive typechain
Front tire size80/100 R21
Rear tire size110/90 R19
Front brakes260 mm
Rear brakes220 mm
Front suspensionWP Ø48mm stroke - 310mm
Rear suspensionWP monoshock, 300mm travel
Minimum ground clearance370 mm
Saddle height950 mm
Fuel tank capacity7 l
Motorcycle weight (dry)100 kg
Dynamometric test
2021 ktm 450 sxf dyno.jpg

KTM Motorcycles

Off-road85-250 см³Freeride 250 F · 250 EXC · 250 EXC-F · 250 SX-F
251-400 см³Freeride 350 F · 300 EXC · 350 EXC-F · 350 SX-F
401-750 см³450 EXC-F · 450 SX-F · 500 EXC-F · 690 Enduro
Supermoto401-750 см³690 SMC R · 690 Supermoto