Attribute | ![]() Derbi Boulevard 125 4T 2012 × | ![]() Derbi Sonar 50 2T 2010 × |
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General | ||
Production from (year) | 2012 | 2010 |
Make | Derbi | Derbi |
Model | Derbi Boulevard 125 4T | 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 III | - |
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 |
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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 | ||
Reserve fuel capacity (l) | 1.2 | - |
Fuel capacity (l) | 8 | 6 |