Comparison of Beta RR 4T 450 2008 and Kawasaki KX 450F 2007 [S]ave
| Attribute |  Beta RR 4T 450 2008 × |  Kawasaki KX 450F 2007 × |
|---|---|---|
| General | ||
| Production from (year) | 2008 | 2007 |
| Make | Beta | Kawasaki |
| Model | Beta RR 4T 450 | Kawasaki KX 450F |
| Category | Enduro / offroad | Cross / motocross |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Fuel system | Carburettor. Keihin FCR-MX 39 | Carburettor. Keihin FCR40 |
| Displacement (cm³) | 448 | 449 |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 89 | 96 |
| Stroke (mm) | 72 | 62.1 |
| Gearbox | 6-speed | 5-speed |
| Fuel control | - | Double Overhead Cams/Twin Cam (DOHC) |
| Ignition | DC-CDI without trembler with variable ignition timing, Kokusan type. | Multi-map digital CDI with throttle position sensor (K-TRIC) |
| Clutch | wet multi-disc clutch | - |
| Lubrication system | 2 oil pumps | - |
| Compression | 11.0:1 | 12.0:1 |
| Chassis | ||
| Front suspension | Hydraulic USD fork with ø45 mm shaft | 48mm inverted, Kayaba AOS with DLC coated sliders, 22-position compression and 20-position rebound dampening adjustment / 12.4 in. |
| Rear suspension | Monoshock with progressive compound lever | UNI-TRAK® linkage system with 22-position low-speed and variable high-speed compression dampening |
| Front brakes | Single disc. double-piston floating caliper | Single disc |
| Rear brakes | Single disc. single-piston floating caliper | Single disc |
| Diameter (mm) | 240 | 240 |
| Frame type | Molybdenum steel with double cradle split above the exhaust port | - |
| Front tyre | 90/90-21 | 90/90-21 |
| Rear tyre | 140/80-18 | 120/80-19 |
| Rake (fork angle) (degree) | - | 27.1 |
| Other | ||
| Color options | - |
|
| Dimensions | ||
| Wheelbase (mm) | 1,500 | 1,486 |
| Dry weight (kg) | 117 | 99 |
| Overall height (mm) | 1,255 | 1,280 |
| Overall length (mm) | 2,270 | 2,184 |
| Overall width (mm) | 813 | 820 |
| Seat height (mm) | 940 | 965 |
| Ground clearance (mm) | 320 | 345 |
| Performance | ||
| Reserve fuel capacity (l) | 1 | - |
| Fuel capacity (l) | 8.5 | 7.19 |
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