| Attribute | Yamaha WR125R 2013 × | Beta Alp 125 2006 × |
|---|---|---|
| General | ||
| Production from (year) | 2013 | 2006 |
| Make | Yamaha | Beta |
| Model | Yamaha WR125R | Beta Alp 125 |
| Category | Enduro / offroad | Trial |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Valves per cylinder | 4 | 4 |
| Fuel system | Injection | Carburettor. Mikuni UCAL |
| Engine details | Forward-inclined single cylinder | - |
| Displacement (cm³) | 124 | 124 |
| Power (kw) | 10.8 | - |
| Cooling system | Air | Air |
| Transmission type,final drive | Chain | Chain |
| Torque (Nm) | 12.2 | - |
| Bore (mm) | 54 | 54 |
| Stroke (mm) | 54 | 54 |
| Gearbox | 5-speed | 5-speed |
| Fuel control | Single Overhead Cams (SOHC) | Overhead Cams (OHC) |
| Driveline | Constant mesh | - |
| Ignition | CDI | - |
| Clutch | Wet, multiple disc | Multiplate in oil bath. |
| Lubrication system | Wet sump | - |
| Compression | 10.0:1 | 10.0:1 |
| Chassis | ||
| Front suspension | Telescopic forks | Hydraulic fork |
| Rear suspension | Swingarm, (link suspension), Monoshock | Monoshock |
| Front brakes | Single disc. Wavy disc | Single disc |
| Rear brakes | Single disc. Wavy disc | Single disc |
| Diameter (mm) | 220 | 200 |
| Frame type | Diamond shaped | Steel |
| Front tyre | 90/90-S21 | - |
| Rear tyre | 120/80-S18 | - |
| Front wheel travel (mm) | 170 | 170 |
| Rear wheel travel (mm) | 190 | 180 |
| Trail (mm) | 114 | - |
| Rake (fork angle) (degree) | 27 | - |
| Other | ||
| Starter | Electric & kick | Electric & kick |
| Color options |
| - |
| Dimensions | ||
| Wheelbase (mm) | 1,335 | 1,350 |
| Kerb weight (kg) | 120 | - |
| Dry weight (kg) | - | 101 |
| Overall length (mm) | 2,110 | 2,150 |
| Seat height (mm) | 860 | 850 |
| Ground clearance (mm) | 220 | 298 |
| Performance | ||
| Reserve fuel capacity (l) | - | 1.5 |
| Fuel capacity (l) | 9 | 6.8 |
| Oil capacity (l) | 1.2 | - |