| Attribute | Aprilia SX 125 2012 × | Derbi Senda DRD 125 SM 2011 × |
|---|---|---|
| General | ||
| Production from (year) | 2012 | 2011 |
| Make | Aprilia | Derbi |
| Model | Aprilia SX 125 | Derbi Senda DRD 125 SM |
| Category | Super motard | Super motard |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, four-stroke |
| Valves per cylinder | - | 4 |
| Fuel system | Carburettor. Dell’Orto VHST 28 | Carburettor. 30 mm |
| Engine details | Rotax 122 engine. Aluminium cylinder with Nikasil liner. | - |
| Displacement (cm³) | 122 | 124.2 |
| Power (kw) | 15.7 | 10.9 |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | Chain | Chain |
| Torque (Nm) | 16 | - |
| Bore (mm) | 54 | 58 |
| Stroke (mm) | 54.5 | 47 |
| Gearbox | 6-speed | 6-speed |
| Emission details | Euro 3 | Euro 3 |
| Ignition | Electronic CDI ignition. | CDI |
| Clutch | Multi-plate wet clutch. | Multi-plate |
| Lubrication system | Separate mixing with variable displacement, volumetric pump. | Dry sump |
| Compression | 12.5:1 | 12.0:1 |
| Chassis | ||
| Front suspension | 40 mm upside down hydraulic fork. | Upside down fork |
| Rear suspension | Steel swingarm. Hydraulic monoshock with piggy back cylinder. | Progressive linkage monoshock with separate gas tank. |
| Front brakes | Single disc | Single disc. Wave |
| Rear brakes | Single disc | Single disc. Wave |
| Diameter (mm) | 220 | 220 |
| Frame type | High strength steel frame with double trellis beam and double cradle. Detachable seat frame. | Double steel beam |
| Front tyre | 110/70-17 | 100/90-17 |
| Rear tyre | 150/60-17 | 130/70-17 |
| Wheels | Aluminium | - |
| Front wheel travel (mm) | 260 | 245 |
| Rear wheel travel (mm) | 270 | 230 |
| Other | ||
| Starter | Kick | Electric |
| Color options |
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|
| Electrical Voltage (V) | 12 | - |
| Dimensions | ||
| Wheelbase (mm) | 1,480 | 1,443 |
| Dry weight (kg) | 115 | 120 |
| Power/weight ratio | 0.1365 | 0.0908 |
| Overall length (mm) | 2,165 | 2,129 |
| Overall width (mm) | 850 | 808 |
| Seat height (mm) | 830 | 880 |
| Performance | ||
| Top speed (km/h) | 115 | - |
| Reserve fuel capacity (l) | 1.3 | - |
| Fuel capacity (l) | 10 | 8 |