Comparison of ATK 450 MX 2008 and KTM 450 SX-F 2021 [S]ave
| Attribute |  KTM 450 SX-F 2021 × |  ATK 450 MX 2008 × |
|---|---|---|
| General | ||
| Production from (year) | 2021 | 2008 |
| Make | KTM | ATK |
| Model | KTM 450 SX-F | ATK 450 MX |
| Category | Cross / motocross | Enduro / offroad |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Fuel system | Injection | Injection. EFI Fuel Injection |
| Displacement (cm³) | 449.3 | 449 |
| Power (kw) | 46 | 35 |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | Chain | - |
| Bore (mm) | 95 | 95 |
| Stroke (mm) | 63.4 | 63.4 |
| Gearbox | 4-speed | 5-speed |
| Fuel control | Single Overhead Cams (SOHC) | Double Overhead Cams/Twin Cam (DOHC) |
| Driveline | 5/8 x 1/4 | - |
| Ignition | Keihin EMS | 12v Battery w Constant Energy Inductive Coil |
| Clutch | Wet, DDS multi-disc clutch, Brembo hydraulics | Magura Hydraulic |
| Compression | - | 12.3:1 |
| Chassis | ||
| Front suspension | WP XACT-USD, Ø 48 mm | 46mm Ohlins 12” Travel |
| Rear suspension | WP XACT Monoshock with linkage | Ohlins POS 12.6” Travel |
| Front brakes | Single disc. Brake calipers on floating bearings | Single disc. Dual piston, 240mm Rotor |
| Rear brakes | Single disc. Brake calipers on floating bearings | Single disc. Dual piston, 220mm Rotor |
| Diameter (mm) | 220 | 220 |
| Frame type | 25CrMo4 steel central-tube | Aluminum Twin-Spar |
| Wheels | CNC machined hubs. Excel rims. Wire spoked. | - |
| Front wheel travel (mm) | 310 | 305 |
| Rear wheel travel (mm) | 300 | 320 |
| Rake (fork angle) (degree) | 26.1 | - |
| Other | ||
| Starter | Electric | Electric |
| Color options |
| - |
| Dimensions | ||
| Wheelbase (mm) | 1,485 | 1,486 |
| Dry weight (kg) | 100 | 109 |
| Power/weight ratio | 0.46 | 0.3188 |
| Seat height (mm) | 950 | 965 |
| Ground clearance (mm) | 370 | 361 |
| Performance | ||
| Fuel capacity (l) | 7 | - |
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