| Attribute | Aprilia SX 125 2011 × | AJS R7 2016 × |
|---|---|---|
| General | ||
| Production from (year) | 2011 | 2016 |
| Make | Aprilia | AJS |
| Model | Aprilia SX 125 | AJS R7 |
| Category | Super motard | Sport |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, four-stroke |
| Fuel system | Carburettor. Dell’Orto VHST 28 | Carburettor |
| Engine details | Rotax 122 engine. Aluminium cylinder with Nikasil liner. | Balance shaft |
| Displacement (cm³) | 122 | 124 |
| Power (kw) | 15.7 | 7.7 |
| Cooling system | Liquid | Air |
| Transmission type,final drive | Chain | Chain |
| Torque (Nm) | 16 | - |
| Bore (mm) | 54 | 56 |
| Stroke (mm) | 54.5 | 49 |
| Gearbox | 6-speed | 5-speed |
| Fuel control | - | Overhead Valves (OHV) |
| Emission details | - | Euro 3 |
| Ignition | - | Coil, CDI |
| Clutch | Multi-plate wet clutch. | Wet. multi-plate |
| Lubrication system | Separate mixing with variable displacement, volumetric pump. | - |
| Compression | 12.5:1 | - |
| Chassis | ||
| Front suspension | 40 mm upside down hydraulic fork. Wheel travel 260 mm. | USD Telescopic fork |
| Rear suspension | Steel swingarm. Hydraulic monoshock with piggy back cylinder. Wheel travel 270 mm. | Single shock |
| Front brakes | Single disc | Double disc. Floating discs |
| Rear brakes | Single disc | Single disc |
| Diameter (mm) | 220 | 230 |
| Frame type | High strength steel frame with double trellis beam and double cradle. Detachable seat frame. | - |
| Front tyre | 110/70-17 | 110/70-17 |
| Rear tyre | 150/60-17 | 150/60-17 |
| Wheels | Aluminium | Alloy wheels |
| Other | ||
| Starter | Kick | Electric |
| Color options |
|
|
| Instruments | - | Digital |
| Electrical Voltage (V) | 12 | - |
| Dimensions | ||
| Wheelbase (mm) | 1,480 | 1,333 |
| Dry weight (kg) | 115 | 127 |
| Power/weight ratio | 0.1365 | 0.0606 |
| Overall length (mm) | 2,165 | 2,020 |
| Overall width (mm) | 850 | 725 |
| Seat height (mm) | 830 | 810 |
| Performance | ||
| Top speed (km/h) | 115 | 90 |
| Reserve fuel capacity (l) | 1.3 | - |
| Fuel capacity (l) | 10 | 18.5 |
| Battery capacity (Ah) | - | 9.5 |