| Attribute | Aprilia RX 125 2009 × | Aprilia SX 125 2009 × |
|---|---|---|
| General | ||
| Production from (year) | 2009 | 2009 |
| Make | Aprilia | Aprilia |
| Model | Aprilia RX 125 | Aprilia SX 125 |
| Category | Enduro / offroad | Super motard |
| Engine and transmission | ||
| Engine type | V2, two-stroke | V2, two-stroke |
| Fuel system | Carburettor | Carburettor |
| Displacement (cm³) | 124.8 | 122 |
| Power (kw) | 15.7 | 15.7 |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | - | Chain |
| Torque (Nm) | 16 | - |
| Bore (mm) | 54 | 54 |
| Stroke (mm) | 54.5 | 54.5 |
| Gearbox | 6-speed | 6-speed |
| Clutch | Multi-plate wet clutch. | Multi-plate wet clutch. |
| Lubrication system | Separate mixing with variable displacement, volumetric pump. | Separate mixing with variable displacement, volumetric pump. |
| Compression | 12.5:1 | 12.5:1 |
| Chassis | ||
| Front suspension | 40 mm upside down hydraulic fork. Wheel travel 260 mm. | 40 mm upside down hydraulic fork. Wheel travel 260 mm. |
| Rear suspension | Steel swingarm. Hydraulic monoshock with piggy back cylinder. Wheel travel 270 mm. | Steel swingarm. Hydraulic monoshock with piggy back cylinder. Wheel travel 270 mm. |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Single disc |
| Front tyre | 110/70-17 | 110/70-17 |
| Rear tyre | 150/60-17 | 150/60-17 |
| Other | ||
| Starter | Kick | Kick |
| Color options |
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| Dimensions | ||
| Wheelbase (mm) | 1,480 | 1,480 |
| Dry weight (kg) | 115 | 115 |
| Power/weight ratio | 0.1365 | 0.1365 |
| Overall length (mm) | 2,165 | 2,165 |
| Overall width (mm) | 850 | 850 |
| Seat height (mm) | 830 | 830 |
| Performance | ||
| Top speed (km/h) | 120 | 115 |
| Fuel capacity (l) | - | 10 |