| Attribute | Aprilia SR 50 Street 2008 × | Aprilia SR 50 R Factory 2008 × |
|---|---|---|
| General | ||
| Production from (year) | 2008 | 2008 |
| Make | Aprilia | Aprilia |
| Model | Aprilia SR 50 Street | Aprilia SR 50 R Factory |
| Category | Scooter | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor. Dell’Orto PHVA 17.5. | Injection. EFI low flow injector. |
| Displacement (cm³) | 49 | 49 |
| Cooling system | Liquid | Liquid |
| Transmission type,final drive | - | Belt |
| Bore (mm) | 40 | 40 |
| Stroke (mm) | 39.3 | 39.3 |
| Gearbox | Automatic | Automatic |
| Ignition | Electronic. | High power inductive ignition. |
| Clutch | Automatic centrifugal dry clutch. | Automatic centrifugal dry clutch. |
| Lubrication system | Separate mixing with mechanical pump. | Separate mixing with mechanical pump. |
| Compression | 12.1:1 | 11.5:1 |
| 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, secured to the frame by linkages on radial silent block mountings. |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Single disc |
| Diameter (mm) | 190 | 190 |
| Frame type | Split single cradle in high tensile tubular steel. | Split single cradle in high tensile tubular steel. |
| Front tyre | 130/60-13 | 130/60-13 |
| Rear tyre | 130/60-13 | 130/60-13 |
| Front wheel travel (mm) | 90 | 90 |
| Rear wheel travel (mm) | 70 | 70 |
| Other | ||
| Starter | Electric | Electric |
| Dimensions | ||
| Wheelbase (mm) | 1,265 | 1,290 |
| Overall height (mm) | 1,200 | 1,200 |
| Overall length (mm) | 1,885 | 1,860 |
| Overall width (mm) | 720 | 705 |
| Seat height (mm) | 820 | 820 |
| Performance | ||
| Fuel capacity (l) | 6.5 | 7 |