| General information |
|---|
| Model | KTM 450 SX-F Factory |
| Year | 2021 |
| Category | Cross / motocross |
| Rating | Do you know this bike?
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| Engine and transmission |
|---|
| Displacement | 449.3 ccm (27.42 cubic inches) |
| Engine type | Single cylinder, four-stroke |
| Power | 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 |
| Update specs | Report missing specs or required updates. |
| Further information |
|---|
| Insurance costs | Compare US insurance quotes from the nation's top providers. |
| Finance options | Compare US motorcycle loan quotes from the nation's top providers. |
| Parts finder |
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| Motocross parts | Parts and accessories available from Revzilla Motocross . Ships to the US. |
| 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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