| TECHNICAL SPECIFICATION |
|---|
| Model ID |
|---|
| Manufacturer (Make) | Aprilia |
| Model Name | RS4 125 |
| Year | 2011 |
| Category(class) | Sport |
| Engine |
|---|
| Engine Capacity (Displacement) | 124 ccm (7.57 cubic inches) |
| Engine Type | Single cylinder, four-stroke |
| Bore x Stroke | Ø58.0 mm x 47.0 mm (Ø2.28 inches x 1.85 inches) |
| Bore/Stroke Ratio | 1.23 |
| Compression Ratio | 12.5:1 |
| Valves per Cylinder | 4 |
| Timing System | DOHC |
| Fuel System(Carburetion) | Injection |
| Ignition | CDI |
| Starter System | Electric |
| Lubrication System | Wet sump |
| Cooling System | Liquid |
| Powertrain |
|---|
| Clutch | Multi-plate in oil bath. |
| Gearbox | 6 speed |
| Transmission (Final Drive) | Chain |
| Chassis/Suspension/Brakes |
|---|
| Frame Type | aluminium, Single cradle frame |
| Front Suspension | Upside down hydraulic fork, 40 mm. |
| Front Suspension Travel | 110 mm (4.33 inches) |
| Rear Suspension | Swingarm. Hydraulic monoshock with adjustable spring preload. |
| Rear Suspension Travel | 130 mm (5.12 inches) |
| Front Brakes | Single disc |
| Front Brakes Diameter | Ø300 mm (Ø11.81 inches) |
| Rear Brakes | Single disc |
| Rear Brakes Diameter | Ø220 mm (Ø8.66 inches) |
| Front Tire | 110/80-R17 |
| Rear Tire | 130/70-R17 |
| Dimensions |
|---|
| Overall Length | 1955 mm (76.97 inches) |
| Overall Width | 740 mm (29.13 inches) |
| Seat Height | 820 mm (32.28 inches) |
| Wheelbase | 1350 mm (53.15 inches) |
| Curb Weight | 120.0 kg (265 lb) |
| Fuel Capacity | 14.50 litres (3.83 gallons) |
| Performance |
|---|
| Max Power | 16.04 HP (11.7 kW) |
| Power/Weight Ratio | 0.13 Hp/Kg |
| Top Speed | - |
| Acceleration (dart, speedup) time | |
| 0-100 km/h | 12 seconds |
| 0-60 mph | 11.4 seconds |
| 1/4 mile | - |
| 60 to 140 km/h, highest gear | - |
