2021 KTM 450 SX-F Factory. Image credits - KTM.
KTM's profilation of this bike
The KTM 450 SX-F FACTORY EDITION is a championship winning machine. With its development based on feedback coming directly from elite Motocross and Supercross racers, it´s the force behind the success of Red Bull KTM Factory Racing riders around the globe.
General information
Motorcycle name
KTM 450 SX-F Factory
Year model
2021
Type
Cross / motocross
Rating
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Engine and transmission
Engine size
449.3 ccm (27.42 cubic inches)
Type of engine
Single cylinder, four-stroke
Effect
63.0 HP (46.0 kW ))
Bore x stroke
95.0 x 63.4 mm (3.7 x 2.5 inches)
Fuel system
Injection
Fuel control
Single Overhead Cams (SOHC)
Ignition
Keihin EMS
Cooling system
Liquid
Gearbox
4-speed
Transmission type
Chain (final drive)
Clutch
Wet, DDS multi-disc clutch, Brembo hydraulics
Driveline
5/8 x 1/4
Exhaust system
Akrapovič Slip-On silencer
Chassis, suspension, brakes and wheels
Frame type
25CrMo4 steel central-tube
Rake (fork angle)
26.1°
Front suspension
WP XACT-USD, Ø 48 mm
Front wheel travel
310 mm (12.2 inches)
Rear suspension
WP XACT Monoshock with linkage
Rear wheel travel
300 mm (11.8 inches)
Front brakes
Single disc. Brake calipers on floating bearings
Diameter
260 mm (10.2 inches)
Rear brakes
Single disc. Brake calipers on floating bearings
Diameter
220 mm (8.7 inches)
Wheels
KTM Factory wheels. Wire spoked.
Seat
Factory seat with Selle Dalla Valle logo
Physical measures and capacities
Dry weight
100.5 kg (221.6 pounds)
Power/weight ratio
0.6269 HP/kg
Seat height
950 mm (37.4 inches) If adjustable, lowest setting.
Ground clearance
370 mm (14.6 inches)
Wheelbase
1485 mm (58.5 inches)
Fuel capacity
7.00 litres (1.85 US gallons)
Other specifications
Color options
Orange/white/black
Starter
Electric
Electrical
Lightweight 495 g lithium-ion starter battery
Comments
Connectivity to a myKTM app
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Further information
Insurance costs Compare US insurance quotes from the nation's top providers. Maintenance Find parts, fluids. filters, maintenance tools and service manuals at Amazon.com. Ask questions Join the 21 KTM 450 SX-F Factory discussion group or the general KTM discussion group. Related bikes List related bikes for comparison of specs.
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property of the respective owners. Technical specifications are subject to change without notice.