Attribute | ![]() Aprilia RS4 50 2018 × | ![]() Aprilia SportCity 50 × |
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General | ||
Production from (year) | 2018 | 2013 |
Make | Aprilia | Aprilia |
Model | Aprilia RS4 50 | Aprilia SportCity 50 |
Category | Sport | Scooter |
Engine and transmission | ||
Engine type | Single cylinder, two-stroke | Single cylinder, four-stroke |
Valves per cylinder | - | 2 |
Fuel system | Carburettor | Carburettor |
Engine details | Reed intake valve | - |
Displacement (cm³) | 49.9 | 49 |
Cooling system | Liquid | Air |
Transmission type,final drive | Chain | Belt |
Bore (mm) | 39.9 | 39 |
Stroke (mm) | 39.9 | 41.8 |
Gearbox | 6-speed | Automatic |
Fuel control | - | Overhead Cams (OHC) |
Emission details | Euro 2 | - |
Driveline | Chain, 11/53. Primary drive: Gears, 21/78. | V-belt |
Ignition | Electronic with CDI capacity discharge | Electronic inductive discharge ignition with variable advance |
Clutch | Multiplate wet clutch | Automatic centrifugal dry clutch |
Lubrication system | Automatic mixer | Wet sump. Forced circulation with mechanical pump |
Compression | 11.5:1 | 11.5:1 |
Chassis | ||
Front suspension | 41 mm upside down fork | Hydraulic telescopic fork with 32 mm stanchions. |
Rear suspension | Asymmetric swingarm with monoshock | Engine unit acting as swingarm. Single hydraulic shock absorber with adjustable spring preload. Wheel travel 84 mm |
Front brakes | Single disc. Radial 4 piston calliper | Single disc. Stainless steel disc with twin piston floating caliper |
Rear brakes | Single disc | Expanding brake (drum brake) |
Diameter (mm) | 220 | 140 |
Frame type | - | Single cradle frame in high strength steel tube |
Front tyre | 100/80-17 | 120/70-14 |
Rear tyre | 130/70-17 | 120/70-14 |
Wheels | - | Light alloy. |
Front wheel travel (mm) | 110 | 85 |
Rear wheel travel (mm) | 122 | 84 |
Other | ||
Starter | Electric | Electric |
Color options |
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Instruments | LCD screen | - |
Dimensions | ||
Wheelbase (mm) | 1,350 | 1,358 |
Overall length (mm) | 1,953 | 1,950 |
Overall width (mm) | 740 | 740 |
Seat height (mm) | 820 | 775 |
Performance | ||
Reserve fuel capacity (l) | 3.3 | 1.5 |
Fuel capacity (l) | 14.5 | 7.5 |