Comparison of Derbi Boulevard 125 2011 and Derbi Sonar 50 2T 2010 [S]ave
| Attribute |  Derbi Boulevard 125 2011 × |  Derbi Sonar 50 2T 2010 × |
|---|---|---|
| General | ||
| Production from (year) | 2011 | 2010 |
| Make | Derbi | Derbi |
| Model | Derbi Boulevard 125 | Derbi Sonar 50 2T |
| Category | Scooter | Scooter |
| Engine and transmission | ||
| Engine type | Single cylinder, four-stroke | Single cylinder, two-stroke |
| Valves per cylinder | 2 | - |
| Fuel system | Carburettor | Carburettor |
| Displacement (cm³) | 124 | 49.4 |
| Power (kw) | - | 3.4 |
| Cooling system | Air | Air |
| Transmission type,final drive | Belt | Belt |
| Torque (Nm) | - | 4.7 |
| Bore (mm) | 57 | 40 |
| Stroke (mm) | 48.6 | 39.3 |
| Gearbox | Automatic | Automatic |
| Emission details | Euro 3 | - |
| Clutch | Centrifugal | Automatic centrifugal |
| Lubrication system | Mechanical oil pump | Mechanical oil pump |
| Compression | 10.6:1 | 10.9:1 |
| Chassis | ||
| Front suspension | 32 mm hydraulic fork. | Hydraulic fork. |
| Rear suspension | Single shock absorber | Single shock absorber |
| Front brakes | Single disc | Single disc |
| Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
| Diameter (mm) | 140 | 140 |
| Front tyre | 120/70-12 | 90/80-16 |
| Rear tyre | 120/70-12 | 110/80-14 |
| Front wheel travel (mm) | 76 | 76 |
| Rear wheel travel (mm) | 64 | 64 |
| Other | ||
| Starter | Electric | Electric & kick |
| Color options |
|
|
| Carrying capacity | Under-seat storage compartment, flat footrest, bag hook and built-in carrier to fit a top-case. | - |
| Dimensions | ||
| Wheelbase (mm) | 1,340 | 1,340 |
| Dry weight (kg) | 115 | 95 |
| Power/weight ratio | - | 0.0358 |
| Overall length (mm) | 1,880 | 1,960 |
| Overall width (mm) | 735 | 735 |
| Seat height (mm) | 780 | 795 |
| Performance | ||
| Fuel capacity (l) | 8 | 6 |
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