Comparison of Aprilia SR 50 R Street 2011 and Aprilia SR 50 R 2007 [S]ave
| Attribute |  Aprilia SR 50 R Street 2011 × |  Aprilia SR 50 R 2007 × |
|---|---|---|
| General | ||
| Production from (year) | 2011 | 2007 |
| Make | Aprilia | Aprilia |
| Model | Aprilia SR 50 R Street | Aprilia SR 50 R |
| Category | Scooter | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor. 17.5 mm throttle body | Carburettor. Dell’Orto PHVA 17.5. |
| Engine details | Intake: Reed valve | - |
| Displacement (cm³) | 49 | 49 |
| Cooling system | - | Liquid |
| Transmission type,final drive | Belt | Belt |
| Bore (mm) | 40 | 40 |
| Stroke (mm) | 39.3 | 39.3 |
| Gearbox | Automatic | Automatic |
| Fuel control | - | Single Overhead Cams (SOHC) |
| Ignition | CDI - capacitor discharge ignition | - |
| Clutch | - | Automatic centrifugal dry clutch. |
| Lubrication system | Separate mixing with mechanical oil pump | Separate mixing with mechanical oil pump. |
| Compression | 12.1:1 | 12.1:1 |
| Chassis | ||
| Front suspension | Hydraulic fork | Hydraulic fork |
| Rear suspension | Engine unit acting as swingarm, secured to the frame by linkages on radial silent block mountings. | Engine unit acting as swingarm |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Single disc |
| Diameter (mm) | 190 | 190 |
| Frame type | Split single cradle frame in high tensile strength steel tube | - |
| Front tyre | 130/60-13 | 130/60-13 |
| Rear tyre | 130/60-13 | 130/60-13 |
| Wheels | Five spoke light alloy wheels front and rear: 3.50 x 13´ | - |
| Front wheel travel (mm) | 90 | 90 |
| Rear wheel travel (mm) | 70 | 70 |
| Other | ||
| Starter | Electric | Electric |
| Color options |
| - |
| Dimensions | ||
| Wheelbase (mm) | 1,290 | 1,290 |
| Overall length (mm) | 1,860 | 1,860 |
| Seat height (mm) | 820 | 820 |
| Performance | ||
| Fuel capacity (l) | 6.5 | 7 |
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