| KTM's profilation of this bike |
| The championship winning KTM 450 SX-F is a proven formula that is the industry benchmark. For 2021, this machine continues to deliver superior performance and easy handling. It features an extremely compact, single overhead camshaft cylinder head and together with the efficient electronic fuel injection, it pushes out an unrivalled 63hp in the most effective way possible. |
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General information |
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Model name
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KTM 450 SX-F |
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Year model
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2021 |
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Type
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Cross / motocross |
| Price as new | US$ 10199. MSRP depends on country, taxes, accessories, etc. |
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Rating
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Engine and transmission |
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Engine size
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449.3 ccm (27.42 cubic inches) |
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Type of engine
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Single cylinder, four-stroke |
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Effect
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63.0 HP (46.0 kW)) |
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Bore x stroke
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95.0 x 63.4 mm (3.7 x 2.5 inches) |
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Fuel system
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Injection |
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Fuel control
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Single Overhead Cams (SOHC) |
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Ignition
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Keihin EMS |
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Cooling system
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Liquid |
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Gearbox
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4-speed |
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Transmission type
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Chain (final drive) |
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Clutch
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Wet, DDS multi-disc clutch, Brembo hydraulics |
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Driveline
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5/8 x 1/4 |
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Chassis, suspension, brakes and wheels |
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Frame type
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25CrMo4 steel central-tube |
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Rake (fork angle)
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26.1° |
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Front suspension
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WP XACT-USD, Ø 48 mm |
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Front wheel travel
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310 mm (12.2 inches) |
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Rear suspension
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WP XACT Monoshock with linkage |
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Rear wheel travel
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300 mm (11.8 inches) |
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Front brakes
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Single disc. Brake calipers on floating bearings |
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Diameter
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260 mm (10.2 inches) |
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Rear brakes
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Single disc. Brake calipers on floating bearings |
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Diameter
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220 mm (8.7 inches) |
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Wheels
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CNC machined hubs. Excel rims. Wire spoked. |
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Physical measures and capacities |
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Dry weight
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100.0 kg (220.5 pounds) |
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Power/weight ratio
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0.6300 HP/kg |
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Seat height
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950 mm (37.4 inches) If adjustable, lowest setting. |
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Ground clearance
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370 mm (14.6 inches) |
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Wheelbase
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1485 mm (58.5 inches) |
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Fuel capacity
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7.00 litres (1.85 US gallons) |
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Other specifications |
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Color options
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Orange/white/black |
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Starter
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Electric |
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Electrical
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Lightweight 495 g lithium-ion starter battery |
| Update specs | Report missing specs or required updates. |
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Further information |
| Insurance costs | Compare US insurance quotes from the nation's top providers. |
| Parts finder |
Check out our overview of motorcycle webshops at Bikez.info. |
| Maintenance | Find parts, fluids. filters, maintenance tools and service manuals at Amazon.com. |
| Ask questions | Join the 21 KTM 450 SX-F discussion group or the general KTM discussion group. |
| Related bikes | List related bikes for comparison of specs. |
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