Comparison of Derbi Sonar 50 2T 2010 and Piaggio Liberty 50 2008 [S]ave
| Attribute |  Derbi Sonar 50 2T 2010 × |  Piaggio Liberty 50 2008 × |
|---|---|---|
| General | ||
| Production from (year) | 2010 | 2008 |
| Make | Derbi | Piaggio |
| Model | Derbi Sonar 50 2T | Piaggio Liberty 50 |
| Category | Scooter | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Fuel system | Carburettor | - |
| Displacement (cm³) | 49.4 | 49.4 |
| Power (kw) | 3.4 | - |
| Cooling system | Air | Air |
| Transmission type,final drive | Belt | - |
| Torque (Nm) | 4.7 | - |
| Bore (mm) | 40 | 40 |
| Stroke (mm) | 39.3 | 39.3 |
| Gearbox | Automatic | Automatic |
| Clutch | Automatic centrifugal | Dry automatic centrifugal type |
| Lubrication system | Mechanical oil pump | Wet sump |
| Compression | 10.9:1 | 10.3:1 |
| Chassis | ||
| Front suspension | Hydraulic fork. | Telescopic fork, 76 mm travel |
| Rear suspension | Single shock absorber | Hydraulic monoshock, 83 mm travel |
| Front brakes | Single disc | Single disc. calliper with opposed pistons |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Diameter (mm) | 140 | 140 |
| Frame type | - | Steel tubes |
| Front tyre | 90/80-16 | 90/80-16 |
| Rear tyre | 110/80-14 | 110/80-14 |
| Front wheel travel (mm) | 76 | 76 |
| Rear wheel travel (mm) | 64 | 83 |
| Other | ||
| Starter | Electric & kick | Electric & kick |
| Color options |
| - |
| Dimensions | ||
| Wheelbase (mm) | 1,340 | 1,330 |
| Dry weight (kg) | 95 | 87 |
| Power/weight ratio | 0.0358 | - |
| Overall length (mm) | 1,960 | 1,900 |
| Overall width (mm) | 735 | 670 |
| Seat height (mm) | 795 | 775 |
| Performance | ||
| Fuel capacity (l) | 6 | 6 |
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