| Attribute | Yamaha DT 125 RE 2004 × | Beta Alp 125 2008 × |
|---|---|---|
| General | ||
| Production from (year) | 2004 | 2008 |
| Make | Yamaha | Beta |
| Model | Yamaha DT 125 RE | Beta Alp 125 |
| Category | Enduro / offroad | Trial |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, four-stroke |
| Fuel system | Injection | Carburettor. Mikuni UCAL 5Nh Ø 26-38 |
| Displacement (cm³) | 124 | 124 |
| Cooling system | Liquid | Air |
| Transmission type,final drive | Chain | - |
| Bore (mm) | 56 | 54 |
| Stroke (mm) | 50.7 | 54 |
| Gearbox | - | 5-speed |
| Fuel control | - | Single Overhead Cams (SOHC) |
| Clutch | - | Wet multi-disc clutch |
| Lubrication system | - | forced with pump |
| Compression | 6.7:1 | 10.5:1 |
| Chassis | ||
| Front suspension | Telescopic fork | Hydraulic fork with ø38 mm shaft |
| Rear suspension | Monocross | 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 | 80/90-21 | 90/90-21 |
| Rear tyre | 110/80-18 | 120/80-18 |
| Front wheel travel (mm) | 270 | 170 |
| Rear wheel travel (mm) | 265 | 180 |
| Other | ||
| Starter | - | Electric & kick |
| Color options |
| - |
| Dimensions | ||
| Wheelbase (mm) | 1,415 | 1,372 |
| Dry weight (kg) | 117 | 101 |
| Overall height (mm) | 1,185 | 1,150 |
| Overall length (mm) | 2,205 | 2,143 |
| Overall width (mm) | 795 | 820 |
| Seat height (mm) | 915 | 850 |
| Ground clearance (mm) | 315 | 298 |
| Performance | ||
| Reserve fuel capacity (l) | - | 1.5 |
| Fuel capacity (l) | - | 6.8 |