Attribute | ![]() Beta RR 4T 450 2010 × | ![]() Kawasaki KX 250 F 2005 × |
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General | ||
Production from (year) | 2010 | 2005 |
Make | Beta | Kawasaki |
Model | Beta RR 4T 450 | Kawasaki KX 250 F |
Category | Enduro / offroad | Cross / motocross |
Engine and transmission | ||
Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
Valves per cylinder | - | 4 |
Fuel system | Carburettor. Keihin FCR-MX 39 | Carburettor. Keihin FCR37 with hot start circuit |
Displacement (cm³) | 448 | 249 |
Cooling system | Liquid | Liquid |
Transmission type,final drive | Chain | Chain |
Bore (mm) | 89 | 77 |
Stroke (mm) | 72 | 53.6 |
Gearbox | 6-speed | 5-speed |
Fuel control | Overhead Cams (OHC) | Double Overhead Cams/Twin Cam (DOHC) |
Ignition | DC-CDI without trembler with variable ignition timing, Kokusan type. | Digital AC-CDI |
Clutch | wet multi-disc clutch | - |
Lubrication system | 2 oil pumps | - |
Compression | - | 12.6:1 |
Chassis | ||
Front suspension | Hydraulic USD fork | 48mm inverted, cartridge-type telescopic fork |
Rear suspension | Monoshock with progressive compound lever | UNI-TRAK® single shock system |
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 | Perimeter style, high-tensile steel with D-section upper frame rails |
Front tyre | 90/90-21 | 80/90-M21 |
Rear tyre | 140/80-18 | 100/90-M19 |
Rake (fork angle) (degree) | - | 26.5 |
Other | ||
Starter | Electric | - |
Color options |
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Dimensions | ||
Wheelbase (mm) | 1,500 | 1,476 |
Dry weight (kg) | 117 | 92 |
Overall height (mm) | 1,255 | 1,270 |
Overall width (mm) | 813 | 841 |
Seat height (mm) | 940 | 960 |
Ground clearance (mm) | 320 | 330 |
Performance | ||
Reserve fuel capacity (l) | 1 | - |
Fuel capacity (l) | 8.5 | 7.57 |