Comparison of Aprilia SR 50 R 2007 and Piaggio Liberty Catalyzed 2007 [S]ave
| Attribute |  Piaggio Liberty Catalyzed 2007 × |  Aprilia SR 50 R 2007 × |
|---|---|---|
| General | ||
| Production from (year) | 2007 | 2007 |
| Make | Piaggio | Aprilia |
| Model | Piaggio Liberty Catalyzed | Aprilia SR 50 R |
| Category | Scooter | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor | Carburettor. Dell’Orto PHVA 17.5. |
| Displacement (cm³) | 49.4 | 49 |
| Power (kw) | 7.3 | - |
| Cooling system | Air | Liquid |
| Transmission type,final drive | Belt | Belt |
| Torque (Nm) | 10.2 | - |
| Bore (mm) | 40 | 40 |
| Stroke (mm) | 39.3 | 39.3 |
| Gearbox | Automatic | Automatic |
| Fuel control | - | Single Overhead Cams (SOHC) |
| Ignition | Inductive | - |
| Clutch | Dry automatic centrifugal type | Automatic centrifugal dry clutch. |
| Lubrication system | Wet sump | Separate mixing with mechanical oil pump. |
| Compression | 10.3:1 | 12.1:1 |
| Chassis | ||
| Front suspension | Telescopic fork | Hydraulic fork |
| Rear suspension | Hydraulic monoshock | Engine unit acting as swingarm |
| Front brakes | Single disc | Single disc |
| Rear brakes | Expanding brake (drum brake) | Single disc |
| Diameter (mm) | 140 | 190 |
| Front tyre | 90/80-16 | 130/60-13 |
| Rear tyre | 110/80-14 | 130/60-13 |
| Front wheel travel (mm) | 76 | 90 |
| Rear wheel travel (mm) | 83 | 70 |
| Other | ||
| Starter | Electric & kick | Electric |
| Dimensions | ||
| Wheelbase (mm) | 1,330 | 1,290 |
| Dry weight (kg) | 87 | - |
| Power/weight ratio | 0.0839 | - |
| Overall length (mm) | 1,900 | 1,860 |
| Seat height (mm) | 775 | 820 |
| Performance | ||
| Fuel capacity (l) | 6 | 7 |
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