Comparison of Beta RR 125 4T and Yamaha YZ 250 2002 [S]ave
| Attribute |  Yamaha YZ 250 2002 × |  Beta RR 125 4T × |
|---|---|---|
| General | ||
| Production from (year) | 2002 | 2006 |
| Make | Yamaha | Beta |
| Model | Yamaha YZ 250 | Beta RR 125 4T |
| Category | Cross / motocross | Enduro / offroad |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, four-stroke |
| Fuel system | - | Carburettor. Mikuni UCAL 5Nh ø26-38 |
| Displacement (cm³) | 249 | 124 |
| Cooling system | Liquid | Air |
| Bore (mm) | 66.4 | 54 |
| Stroke (mm) | 72 | 54 |
| Gearbox | - | 5-speed |
| Fuel control | - | Single Overhead Cams (SOHC) |
| Ignition | - | Electronic |
| Compression | 8.8:1 | 10.0:1 |
| Chassis | ||
| Front suspension | - | Hydraulic fork |
| Rear suspension | - | Monoshock with adjustable spring preload |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Single disc |
| Diameter (mm) | 245 | 220 |
| Front tyre | 80/100-21 51M | 80/90-21 |
| Rear tyre | 110/90-19 62M | 120/90-18 |
| Front wheel travel (mm) | 300 | 250 |
| Rear wheel travel (mm) | 315 | 270 |
| Dimensions | ||
| Wheelbase (mm) | 1,485 | 1,370 |
| Dry weight (kg) | 97 | 103 |
| Overall height (mm) | 1,302 | 1,215 |
| Overall length (mm) | 2,182 | 2,070 |
| Overall width (mm) | 827 | 820 |
| Ground clearance (mm) | 391 | 320 |
| Performance | ||
| Reserve fuel capacity (l) | - | 1 |
| Fuel capacity (l) | - | 6 |
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