KTM 450 SX-F Factory 2021 specs
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| Displacement | 449.3 ccm (27.42 cubic inches) |
| Engine Details | 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 |
| Ignition | Keihin EMS |
| Cooling System | Liquid |
| Gearbox | 4-speed |
| Transmission Type Final Drive | Chain |
| Clutch | Wet, DDS multi-disc clutch, Brembo hydraulics |
| Driveline | 5/8 x 1/4 |
| Exhaust System | AkrapoviÄ Slip-on silencer |
| Frame Type | 25CrMo4 steel central-tube |
| Front Brakes | Single disc. Brake calipers on floating bearings |
| Front Suspension | WP XACT-USD, Ø 48 mm |
| Front Wheel Travel | 310 mm (12.2 inches) |
| Rake | 26.1° |
| Rear Brakes | Single disc. Brake calipers on floating bearings |
| Rear Suspension | WP XACT Monoshock with linkage |
| Rear Wheel Travel | 300 mm (11.8 inches) |
| Seat | Factory seat with Selle Dalla Valle logo |
| Wheels | KTM Factory wheels. Wire spoked. |
| Dry Weight | 100.5 kg (221.6 pounds) |
| Fuel Capacity | 7.00 litres (1.85 gallons) |
| Ground Clearance | 370 mm (14.6 inches) |
| Power Weight Ratio | 0.6269 HP/kg |
| Seat Height | 950 mm (37.4 inches) If adjustable, lowest setting. |
| Color Options | Orange/white/black |
| Electrical | Lightweight 495 g lithium-ion starter battery |
| Comments | Connectivity to a myKTM app |
| Starter | Electric |
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