Comparison of Aprilia RS4 50 2011 and Aprilia SportCity One 50 Street 2011 [S]ave
| Attribute |  Aprilia RS4 50 2011 × |  Aprilia SportCity One 50 Street 2011 × |
|---|---|---|
| General | ||
| Production from (year) | 2011 | 2011 |
| Make | Aprilia | Aprilia |
| Model | Aprilia RS4 50 | Aprilia SportCity One 50 Street |
| Category | Sport | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor. Dell’Orto PHVA – 17.5 | Carburettor. Dell’Orto 17.5 mm |
| Displacement (cm³) | 49.9 | 49.2 |
| Power (kw) | - | 2.9 |
| Cooling system | Liquid | Air |
| Transmission type,final drive | Chain | Belt |
| Torque (Nm) | - | 4.4 |
| Bore (mm) | 39.9 | 40 |
| Stroke (mm) | 40 | 39.3 |
| Gearbox | 6-speed | Automatic |
| Emission details | Euro 2 | Euro 2 |
| Driveline | Primary drive: Gears. Ratio: 21/78. Final drive: Chain. Ratio: 14/53 | - |
| Ignition | Elettronica C.D.I. | Electronic inductive discharge ignition with variable advance |
| Clutch | Multi-plate | Automatic centrifugal dry clutch |
| Lubrication system | Automatic mixer | Separated mixer, with mechanical pump. |
| Compression | 11.5:1 | 10.3:1 |
| Chassis | ||
| Front suspension | 40 mm upside down fork | Hydraulic fork |
| Rear suspension | Asymmetric swingarm with monoshock | Engine unit acting as swingarm. Single hydraulic shock absorber with adjustable spring preload. |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Expanding brake (drum brake) |
| Diameter (mm) | 180 | 140 |
| Frame type | Twin spar aluminium frame | Single cradle frame in high strength steel tube. |
| Front tyre | 110/80-17 | 120/70-14 |
| Rear tyre | 130/70-17 | 120/70-14 |
| Wheels | light alloy with 6 split spokes, with sealing profile for tubeless tyres | Light alloy Front: 3,00 x 14” Rear: 3,50 x 14” |
| Front wheel travel (mm) | 110 | 85 |
| Rear wheel travel (mm) | 130 | 76 |
| Other | ||
| Starter | Electric | Electric & kick |
| Color options |
|
|
| Carrying capacity | - | Big enough for a full face helmet. |
| Electrical Voltage (V) | 12 | - |
| Dimensions | ||
| Wheelbase (mm) | 1,350 | 1,355 |
| Overall length (mm) | 1,953 | 1,947 |
| Overall width (mm) | 740 | 730 |
| Seat height (mm) | 820 | 775 |
| Performance | ||
| Reserve fuel capacity (l) | - | 1.5 |
| Fuel capacity (l) | 14.5 | 7 |
| Battery capacity (Ah) | 6 | - |
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