| TECHNICAL SPECIFICATION | 
|---|
| Model ID | 
|---|
| Manufacturer (Make) | Aprilia | 
| Model Name | RX 125 | 
| Year | 1986 | 
| Category(class) | Enduro | 
| Engine | 
|---|
| Engine Capacity (Displacement) | 124 ccm (7.57 cubic inches) | 
| Engine Type | 1 cylinder | 
| Bore x Stroke | Ø54.0 mm x 54.0 mm (Ø2.13 inches x 2.13 inches) | 
| Bore/Stroke Ratio | 1 | 
| Stroke | 2 | 
| Timing System | MEMBRANE | 
| Cooling System | Liquid | 
| Powertrain | 
|---|
| Gearbox | 6 speed | 
| Chassis/Suspension/Brakes | 
|---|
| Front Brakes | Single disc | 
| Rear Brakes | Drum | 
| Front Tire | 3.00-21 | 
| Rear Tire | 4.00-18 | 
| Dimensions | 
|---|
| Curb Weight | 91 kg (201 lb) | 
| Fuel Capacity | 8.5 litres (2.25 gallons) | 
| Performance | 
|---|
| Max Power | 34.00 HP (24.8 kW) at 10750 RPM | 
| Power/Weight Ratio | 0.37 Hp/Kg | 
| Top Speed | 130 km/h (81mph) | 
| Acceleration (dart, speedup) time |  | 
| 0-100 km/h | 4.6 seconds | 
| 0-60 mph | 4.4 seconds | 
| 1/4 mile | - | 
| 60 to 140 km/h, highest gear | - |