| TECHNICAL SPECIFICATION |
|---|
| Model ID |
|---|
| Manufacturer (Make) | Aprilia |
| Model Name | RS4 50 |
| Year | 2011 |
| Category(class) | Sport |
| Engine |
|---|
| Engine Capacity (Displacement) | 49 ccm (2.99 cubic inches) |
| Engine Type | Single cylinder, two-stroke |
| Bore x Stroke | Ø39.9 mm x 40.0 mm (Ø1.57 inches x 1.57 inches) |
| Bore/Stroke Ratio | 1 |
| Compression Ratio | 11.5:1 |
| Fuel System(Carburetion) | Carburettor. Dell’Orto PHVA – 17.5 |
| Ignition | Elettronica C.D.I. |
| Starter System | Electric |
| Lubrication System | Automatic mixer |
| Cooling System | Liquid |
| Powertrain |
|---|
| Clutch | Multi-plate |
| Gearbox | 6 speed |
| Transmission (Final Drive) | Chain |
| Chassis/Suspension/Brakes |
|---|
| Frame Type | Twin spar aluminium frame |
| Front Suspension | 40 mm upside down fork |
| Front Suspension Travel | 110 mm (4.33 inches) |
| Rear Suspension | Asymmetric swingarm with monoshock |
| 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 | Ø180 mm (Ø7.09 inches) |
| Front Tire | 110/80-17 |
| Rear Tire | 130/70-17 |
| Dimensions |
|---|
| Overall Length | 1953 mm (76.89 inches) |
| Overall Width | 740 mm (29.13 inches) |
| Seat Height | 820 mm (32.28 inches) |
| Wheelbase | 1350 mm (53.15 inches) |
| Fuel Capacity | 14.50 litres (3.83 gallons) |
| Performance |
|---|
| Top Speed | - |
| Acceleration (dart, speedup) time | |
| 0-100 km/h | - |
| 0-60 mph | - |
| 1/4 mile | - |
| 60 to 140 km/h, highest gear | - |
