Comparison of Derbi GPR 125 4T 4V 2009 and Derbi Sonar 125 4T 2011 [S]ave
| Attribute |  Derbi GPR 125 4T 4V 2009 × |  Derbi Sonar 125 4T 2011 × |
|---|---|---|
| General | ||
| Production from (year) | 2009 | 2011 |
| Make | Derbi | Derbi |
| Model | Derbi GPR 125 4T 4V | Derbi Sonar 125 4T |
| Category | Sport | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
| Valves per cylinder | 4 | - |
| Fuel system | Carburettor. 30 mm | Carburettor |
| Displacement (cm³) | 124.8 | 124 |
| Power (kw) | - | 7.7 |
| Cooling system | Liquid | Air |
| Transmission type,final drive | Chain | Belt |
| Torque (Nm) | - | 9.6 |
| Bore (mm) | 58 | 57 |
| Stroke (mm) | 47 | 48.6 |
| Gearbox | 6-speed | Automatic |
| Emission details | - | Compartment underthe seat to hold a jet helmet. |
| Ignition | CDI | - |
| Clutch | Multi-disc | Automatic centrifugal |
| Lubrication system | Oil pump | Mechanical oil pump |
| Compression | 12.0:1 | 10.6:1 |
| Exhaust system | Euro III | - |
| Chassis | ||
| Front suspension | 40 mm upside-down fork. | 32 mm fork. |
| Rear suspension | Monoshock. | Monoshock |
| Front brakes | Single disc. Radial Caliper | Single disc |
| Rear brakes | Single disc. Floating Caliper | Expanding brake (drum brake) |
| Diameter (mm) | 180 | 140 |
| Front tyre | 110/70-17 | 90/80-16 |
| Rear tyre | 130/70-17 | 110/80-14 |
| Front wheel travel (mm) | 120 | 76 |
| Rear wheel travel (mm) | 120 | 64 |
| Other | ||
| Starter | Electric | Electric |
| Color options |
|
|
| Dimensions | ||
| Wheelbase (mm) | 1,355 | 1,325 |
| Dry weight (kg) | 120 | 99 |
| Power/weight ratio | - | 0.0778 |
| Overall length (mm) | 1,977 | 1,930 |
| Overall width (mm) | 720 | 740 |
| Seat height (mm) | 800 | 805 |
| Performance | ||
| Fuel capacity (l) | 14 | 6 |
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