Attribute | ![]() Aprilia RS4 50 2011 × | ![]() Aprilia SportCity One 50 Street 2012 × |
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General | ||
Production from (year) | 2011 | 2012 |
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) | - | 3 |
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 |
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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 | - |