| Attribute | KTM 450 SX-F Factory × | Husqvarna FC 450 Rockstar Edition 2018 × |
|---|---|---|
| General | ||
| Production from (year) | 2021 | 2018 |
| Make | KTM | Husqvarna |
| Model | KTM 450 SX-F Factory | Husqvarna FC 450 Rockstar Edition |
| Category | Cross / motocross | Cross / motocross |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Fuel system | Injection | Carburettor |
| Displacement (cm³) | 449.3 | 449.3 |
| Power (kw) | 46 | 46 |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 95 | 95 |
| Stroke (mm) | 63.4 | 63.4 |
| Gearbox | 4-speed | 5-speed |
| Fuel control | Single Overhead Cams (SOHC) | Single Overhead Cams (SOHC) |
| Driveline | 5/8 x 1/4 | 520 X-Ring chain |
| Ignition | Keihin EMS | Keihin EMS |
| Clutch | Wet, DDS multi-disc clutch, Brembo hydraulics | Wet, multi-disc clutch, Magura hydraulics |
| Exhaust system | Akrapovič Slip-On silencer | - |
| Chassis | ||
| Front suspension | WP XACT-USD, Ø 48 mm | WP-USD, AER 48, Ø 48 mm |
| Rear suspension | WP XACT Monoshock with linkage | WP shock absorber with linkage |
| Front brakes | Single disc. Brake calipers on floating bearings | Single disc. Brembo twin-piston floating calliper |
| Rear brakes | Single disc. Brake calipers on floating bearings | Single disc. Brembo single-piston floating calliper |
| Diameter (mm) | 220 | 200 |
| Frame type | 25CrMo4 steel central-tube | 25CrMo4 steel central-tube |
| Front tyre | - | 90/90-21 |
| Rear tyre | - | 140/90-18 |
| Seat | Factory seat with Selle Dalla Valle logo | - |
| Wheels | KTM Factory wheels. Wire spoked. | - |
| Front wheel travel (mm) | 310 | 310 |
| Rear wheel travel (mm) | 300 | 300 |
| Rake (fork angle) (degree) | 26.1 | 26.5 |
| Other | ||
| Starter | Electric | Electric |
| Color options |
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| Dimensions | ||
| Wheelbase (mm) | 1,485 | 1,485 |
| Dry weight (kg) | 100 | - |
| Power/weight ratio | 0.4577 | - |
| Seat height (mm) | 950 | 960 |
| Ground clearance (mm) | 370 | 370 |
| Performance | ||
| Fuel capacity (l) | 7 | 7 |