Attribute | ![]() Derbi Boulevard 125 2008 × | ![]() Derbi Dirt Boy 50 2008 × |
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General | ||
Production from (year) | 2008 | 2008 |
Make | Derbi | Derbi |
Model | Derbi Boulevard 125 | Derbi Dirt Boy 50 |
Category | Scooter | Minibike, cross |
Engine and transmission | ||
Engine type | Single cylinder, four-stroke | Single cylinder, four-stroke |
Fuel system | Carburettor | Carburettor |
Displacement (cm³) | 124 | 49.9 |
Cooling system | Air | Air |
Transmission type,final drive | Belt | Belt |
Bore (mm) | 57 | 39 |
Stroke (mm) | 48.6 | 41.8 |
Gearbox | Automatic | 1-speed |
Ignition | CDI | CDI |
Clutch | Automated | - |
Lubrication system | Oil pump | Oil pump |
Compression | 11.2:1 | 12.0:1 |
Chassis | ||
Front suspension | 35 mm hydraulic fork. 75 mm. travel | Hydraulic fork. 120 mm travel |
Rear suspension | Lineal monoshock with adjustable spring preload. 75 mm travel | Monoshock. 140 mm travel |
Front brakes | Single disc | Single disc |
Rear brakes | Expanding brake (drum brake) | Expanding brake (drum brake) |
Diameter (mm) | 140 | 90 |
Front tyre | 130/60-13 | 2.5-12 |
Rear tyre | 130/60-13 | 2.75-10 |
Other | ||
Starter | Electric | Kick |
Color options |
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Dimensions | ||
Wheelbase (mm) | 1,305 | 905 |
Dry weight (kg) | 116 | 47 |
Overall height (mm) | 1,228 | 1,260 |
Overall width (mm) | 690 | 815 |
Seat height (mm) | 795 | 610 |
Performance | ||
Fuel capacity (l) | 11 | 2.3 |