| Attribute | Beta Alp 125 2012 × | Beta Alp 125 2008 × |
|---|---|---|
| General | ||
| Production from (year) | 2012 | 2008 |
| Make | Beta | Beta |
| Model | Beta Alp 125 | Beta Alp 125 |
| Category | Enduro / offroad | Trial |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Fuel system | Carburettor. Mikuni BST 31 42AD | Carburettor. Mikuni UCAL 5Nh Ø 26-38 |
| Displacement (cm³) | 124 | 124 |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | - |
| Bore (mm) | 66 | 54 |
| Stroke (mm) | 58.2 | 54 |
| Gearbox | 5-speed | 5-speed |
| Fuel control | Single Overhead Cams (SOHC) | Single Overhead Cams (SOHC) |
| Clutch | Wet multi-disc | Wet multi-disc clutch |
| Lubrication system | Forced with pump | forced with pump |
| Compression | 9.4:1 | 10.5:1 |
| Chassis | ||
| Front suspension | Hydraulic fork, ø38 mm | Hydraulic fork with ø38 mm shaft |
| Rear suspension | Monoshock with adjustable spring preload | Monoshock with adjustable spring preload |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Single disc |
| Diameter (mm) | 220 | 220 |
| Frame type | - | steel double cradle frame |
| Front tyre | 90/90-21 | 90/90-21 |
| Rear tyre | 120/80-18 | 120/80-18 |
| Front wheel travel (mm) | 170 | 170 |
| Rear wheel travel (mm) | 180 | 180 |
| Other | ||
| Starter | Electric & kick | Electric & kick |
| Color options |
| - |
| Dimensions | ||
| Wheelbase (mm) | 1,370 | 1,372 |
| Dry weight (kg) | 107 | 101 |
| Overall height (mm) | 1,170 | 1,150 |
| Overall length (mm) | 2,085 | 2,143 |
| Overall width (mm) | 820 | 820 |
| Seat height (mm) | 830 | 850 |
| Ground clearance (mm) | 300 | 298 |
| Performance | ||
| Reserve fuel capacity (l) | 1.5 | 1.5 |
| Fuel capacity (l) | 6.8 | 6.8 |