Comparison of Aprilia SR 50 R Factory 2006 and Hyosung SF 50B [S]ave
| Attribute |  Aprilia SR 50 R Factory 2006 × |  Hyosung SF 50B × |
|---|---|---|
| General | ||
| Production from (year) | 2006 | 2009 |
| Make | Aprilia | Hyosung |
| Model | Aprilia SR 50 R Factory | Hyosung SF 50B |
| Category | Scooter | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Fuel system | Injection. Electronically controlled, air assisted, direct injection into the combustion chamber. | Carburettor |
| Displacement (cm³) | 49 | 49 |
| Cooling system | Liquid | Air |
| Transmission type,final drive | Belt | Belt |
| Torque (Nm) | 17 | - |
| Bore (mm) | 40 | - |
| Stroke (mm) | 39.3 | - |
| Gearbox | Automatic | - |
| Ignition | High power inductive ignition | - |
| Clutch | Automatic centrifugal dry clutch | - |
| Lubrication system | Oil injection with oil pump | - |
| Compression | 11.5:1 | 7.2:1 |
| Chassis | ||
| Front suspension | Hydraulic fork. | - |
| Rear suspension | Engine unit acting as swingarm | - |
| Front brakes | Single disc | Single disc |
| Rear brakes | Single disc | Expanding brake (drum brake) |
| Front tyre | 130/60-13 | 120/90-10 |
| Rear tyre | 130/60-13 | 130/90-10 |
| Front wheel travel (mm) | 90 | - |
| Rear wheel travel (mm) | 70 | - |
| Other | ||
| Starter | Electric | Electric & kick |
| Color options |
| - |
| Dimensions | ||
| Wheelbase (mm) | 1,290 | 1,270 |
| Performance | ||
| Fuel capacity (l) | 7 | 4.16 |
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