Comparison of ATK 450 MX 2007 and Highland 450 MX 2009 [S]ave
| Attribute |  Highland 450 MX 2009 × |  ATK 450 MX 2007 × |
|---|---|---|
| General | ||
| Production from (year) | 2009 | 2007 |
| Make | Highland | ATK |
| Model | Highland 450 MX | ATK 450 MX |
| Category | Cross / motocross | Cross / motocross |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Valves per cylinder | 4 | - |
| Fuel system | Injection | Injection. EFI Fuel Injection |
| Displacement (cm³) | 449 | 446 |
| Power (kw) | 41.2 | 33.6 |
| Cooling system | Liquid | - |
| Transmission type,final drive | Chain | - |
| Torque (Nm) | 51.1 | - |
| Bore (mm) | 96 | 96.5 |
| Stroke (mm) | 62.1 | 61 |
| Gearbox | 6-speed | 5-speed |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) | - |
| Ignition | Highland integrated engine management system with ignition coil fitted directly on the spark plug | - |
| Clutch | Lubricated multi disk | Hydraulic |
| Lubrication system | Wet sump, filter, pressure lubricated crankshaft and gearbox | - |
| Compression | 12.2:1 | 12.3:1 |
| Chassis | ||
| Front suspension | Öhlins/Marzocchi | 46mm Ohlins |
| Rear suspension | Öhlins | Ohlins POS |
| Front brakes | Single disc. Brembo double piston floating caliper | Single disc. Dual piston, 240mm Rotor |
| Rear brakes | Single disc. Brembo floating caliper | Single disc. Dual piston, 220mm Rotor |
| Diameter (mm) | 220 | 220 |
| Frame type | Hy-Tens. VTS OUTOKUMPU Stailnless steel | Aluminum Twin-Spar |
| Front tyre | - | 80/100-21 |
| Rear tyre | - | 110/100-19 |
| Other | ||
| Starter | Electric | Electric |
| Dimensions | ||
| Wheelbase (mm) | 1,485 | 1,486 |
| Dry weight (kg) | 103 | 109 |
| Power/weight ratio | 0.4 | 0.306 |
| Seat height (mm) | 998 | 965 |
| Ground clearance (mm) | 350 | 361 |
| Performance | ||
| Fuel capacity (l) | 7 | 7.57 |
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