| Attribute | Beta RR 250 × | Beta RR 125 4T × |
|---|---|---|
| General | ||
| Production from (year) | 2006 | 2006 |
| Make | Beta | Beta |
| Model | Beta RR 250 | Beta RR 125 4T |
| Category | Enduro / offroad | Enduro / offroad |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Fuel system | Carburettor. Keihin FCR-MX 37 | Carburettor. Mikuni UCAL 5Nh ø26-38 |
| Displacement (cm³) | 250 | 124 |
| Cooling system | Liquid | Air |
| Bore (mm) | 75 | 54 |
| Stroke (mm) | 56.5 | 54 |
| Gearbox | 6-speed | 5-speed |
| Fuel control | - | Single Overhead Cams (SOHC) |
| Ignition | - | Electronic |
| Compression | 12.0:1 | 10.0:1 |
| Chassis | ||
| Front suspension | Hydraulic fork | Hydraulic fork |
| Rear suspension | Monoshock | Monoshock with adjustable spring preload |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Single disc |
| Diameter (mm) | 240 | 220 |
| Frame type | CrMo | - |
| Front tyre | 90/90-21 | 80/90-21 |
| Rear tyre | 140/80-18 | 120/90-18 |
| Front wheel travel (mm) | 290 | 250 |
| Rear wheel travel (mm) | 300 | 270 |
| Dimensions | ||
| Wheelbase (mm) | 1,490 | 1,370 |
| Dry weight (kg) | 117 | 103 |
| Overall height (mm) | 1,255 | 1,215 |
| Overall length (mm) | 2,270 | 2,070 |
| Overall width (mm) | 813 | 820 |
| Ground clearance (mm) | 320 | 320 |
| Performance | ||
| Reserve fuel capacity (l) | 1 | 1 |
| Fuel capacity (l) | 8.5 | 6 |