| Attribute | Derbi Sonar 125 4T 2012 × | Piaggio Liberty 125 4 Stroke 2006 × |
|---|---|---|
| General | ||
| Production from (year) | 2012 | 2006 |
| Make | Derbi | Piaggio |
| Model | Derbi Sonar 125 4T | Piaggio Liberty 125 4 Stroke |
| Category | Scooter | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Fuel system | Carburettor | - |
| Displacement (cm³) | 124 | 124 |
| Power (kw) | 7.7 | 7.3 |
| Fuel consumption (l/100km) | - | 28 |
| Cooling system | Air | Air |
| Transmission type,final drive | Belt | - |
| Torque (Nm) | 9.6 | 10.2 |
| Bore (mm) | 57 | 57 |
| Stroke (mm) | 48.6 | 48.6 |
| Gearbox | Automatic | Automatic |
| Greenhouse gases | - | 649.6 CO2 g/km. (CO2 - Carbon dioxide emission) |
| Fuel control | - | Single Overhead Cams (SOHC) |
| Emission details | Compartment underthe seat to hold a jet helmet. | - |
| Driveline | Automatic CVT | - |
| Ignition | - | Inductive |
| Clutch | Automatic centrifugal | Dry automatic centrifugal type |
| Lubrication system | Mechanical oil pump | Wet sump |
| Compression | 10.6:1 | 10.6:1 |
| Chassis | ||
| Front suspension | Hydraulic fork | Ø 140 32 telehydraulic fork, 76 mm travel |
| Rear suspension | Single shock absorber | Hydraulic monoshock, 4 position spring preload, 85.5 mm travel |
| Front brakes | Single disc | Single disc |
| 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 |
| Other | ||
| Starter | Electric | Electric |
| Color options |
| - |
| Dimensions | ||
| Wheelbase (mm) | 1,325 | 1,335 |
| Dry weight (kg) | 99 | 99 |
| Power/weight ratio | 0.0778 | 0.0737 |
| Overall length (mm) | 1,930 | 1,935 |
| Overall width (mm) | 740 | 670 |
| Seat height (mm) | 805 | 775 |
| Performance | ||
| Fuel capacity (l) | 6 | 6 |