| Attribute | Yamaha WR125 X 2014 × | Beta Alp 125 2006 × |
|---|---|---|
| General | ||
| Production from (year) | 2014 | 2006 |
| Make | Yamaha | Beta |
| Model | Yamaha WR125 X | Beta Alp 125 |
| Category | Super motard | Trial |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Valves per cylinder | 4 | 4 |
| Fuel system | Injection. EFI | Carburettor. Mikuni UCAL |
| Engine details | Forward-inclined single cylinder | - |
| Displacement (cm³) | 124.7 | 124 |
| Power (kw) | 10.9 | - |
| Cooling system | Liquid | Air |
| Transmission type,final drive | Chain | Chain |
| Torque (Nm) | 12.2 | - |
| Bore (mm) | 52 | 54 |
| Stroke (mm) | 58.6 | 54 |
| Gearbox | 6-speed | 5-speed |
| Fuel control | Single Overhead Cams (SOHC) | Overhead Cams (OHC) |
| Ignition | TCI (digital) | - |
| Clutch | Wet, multipate | Multiplate in oil bath. |
| Lubrication system | Wet sump | - |
| Compression | 11.2:1 | 10.0:1 |
| Chassis | ||
| Front suspension | Telescopic forks | Hydraulic fork |
| Rear suspension | Swingarm, link suspension, monoshock | Monoshock |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Single disc |
| Diameter (mm) | 220 | 200 |
| Frame type | Steel double cradle | Steel |
| Front tyre | 110/70-17 | - |
| Rear tyre | 140/70-17 | - |
| Front wheel travel (mm) | 210 | 170 |
| Rear wheel travel (mm) | 230 | 180 |
| Trail (mm) | 79 | - |
| Rake (fork angle) (degree) | 25 | - |
| Other | ||
| Starter | Electric | Electric & kick |
| Color options |
| - |
| Dimensions | ||
| Wheelbase (mm) | 1,430 | 1,350 |
| Kerb weight (kg) | 137 | - |
| Dry weight (kg) | - | 101 |
| Overall length (mm) | 2,095 | 2,150 |
| Seat height (mm) | 920 | 850 |
| Ground clearance (mm) | 255 | 298 |
| Performance | ||
| Reserve fuel capacity (l) | - | 1.5 |
| Fuel capacity (l) | 8.5 | 6.8 |
| Oil capacity (l) | 1.2 | - |