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Derbi Dirt Boy 50 - 2009 Specifications and Reviews
2009
Engine and Transmission Specifications | |
| Gearbox | 1-speed |
| Cooling system | Air |
| Lubrication system | Oil pump |
| Starter | Kick |
| Ignition | CDI |
| Fuel system | Carburettor. 14 mm |
| Bore x stroke | 39.0 x 41.8 mm (1.5 x 1.6 inches) |
| Compression | 12.0:1 |
| Stroke | 4 |
| Engine type | Single cylinder |
| Capacity: | 49.90 ccm (3.04 cubic inches) |
Physical measures and capacities | |
| Wheelbase | 905 mm (35.6 inches) |
| Overall width | 519 mm (20.4 inches) |
| Overall length | 1,290 mm (50.8 inches) |
| Seat height | 610 mm (24.0 inches) If adjustable, lowest setting. |
| Dry weight | 47.0 kg (103.6 pounds) |
Derbi Dirt Boy 50 dimensions and frame | |
| Rear brakes diameter | 90 mm (3.5 inches) |
| Rear brakes | Expanding brake (drum brake) |
| Front brakes diameter | 160 mm (6.3 inches) |
| Front brakes | Single disc |
| Rear tyre dimensions | 2.75-10 |
| Front tyre dimensions | 2.50-12 |
| Rear suspension travel | 140 mm (5.5 inches) |
| Rear suspension | Monoshock. |
| Front suspension travel | 120 mm (4.7 inches) |
| Front suspension | Hydraulic fork. |
| | |
Speed and acceleration | |
| Color options | Black/white |
| Oil capacity | 0.60 litres (0.04 quarts) |
| Fuel capacity | 2.30 litres (0.61 gallons) |
| Category | Minibike, cross |
| Year | 2009 |
| Model | Derbi Dirt Boy 50 |
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