| Attribute | Aprilia MX 125 2004 × | Derbi Senda Baja 125 SM 2009 × |
|---|---|---|
| General | ||
| Production from (year) | 2004 | 2009 |
| Make | Aprilia | Derbi |
| Model | Aprilia MX 125 | Derbi Senda Baja 125 SM |
| Category | Enduro / offroad | Super motard |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, four-stroke |
| Fuel system | Injection | Carburettor. 26 mm |
| Displacement (cm³) | 124 | 124 |
| Power (kw) | 10.9 | - |
| Cooling system | Liquid | Air |
| Transmission type,final drive | Chain | Chain |
| Bore (mm) | 54 | 56.5 |
| Stroke (mm) | 54.6 | 49.5 |
| Gearbox | 6-speed | 5-speed |
| Clutch | - | Multidisc |
| Lubrication system | - | Oil pump |
| Compression | 12.0:1 | 9.2:1 |
| Chassis | ||
| Front suspension | 40 mm upside-down telescopic fork | 41 mm. hydraulic fork. |
| Rear suspension | Aluminium swinging fork with rectangular cross-section | Monoshock. |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Single disc |
| Diameter (mm) | 220 | 220 |
| Frame type | Closed-cradle split at the level of the exhaust | - |
| Front tyre | 110/70-17 | 110/80-17 |
| Rear tyre | 150/60-17 | 130/70-17 |
| Front wheel travel (mm) | 260 | 195 |
| Rear wheel travel (mm) | 280 | 200 |
| Other | ||
| Starter | - | Electric |
| Color options |
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| Dimensions | ||
| Wheelbase (mm) | 1,500 | 1,452 |
| Dry weight (kg) | 35 | 118 |
| Power/weight ratio | 0.3114 | - |
| Overall height (mm) | 1,205 | 1,191 |
| Overall length (mm) | 2,180 | 2,104 |
| Overall width (mm) | 890 | 818 |
| Seat height (mm) | 890 | 845 |
| Performance | ||
| Reserve fuel capacity (l) | 1.5 | 1.5 |
| Fuel capacity (l) | 11 | 8 |