22 June. Monday 2026
Derbi Dirt Boy 50 - 2008 Specifications and Reviews
The 2008 Derbi Dirt Boy 50 is a lightweight minibike designed for young riders and beginners seeking affordable off-road fun. Its simple air-cooled single-cylinder engine and automatic belt transmission make it easy to operate, while the compact frame suits tight trails and closed courses. Known for reliability and low maintenance, it represents an accessible entry point into dirt biking.
2008
Engine and Transmission Specifications | |
| Transmission typefinal drive | Belt |
| Gearbox | 1-speed |
| Cooling system | Air |
| Lubrication system | Oil pump |
| Starter | Kick |
| Ignition | CDI |
| Fuel system | Carburettor |
| 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 | 815 mm (32.1 inches) |
| Overall height | 1,260 mm (49.6 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 | 2.5-12 |
| Rear suspension | Monoshock. 140 mm travel |
| Front suspension | Hydraulic fork. 120 mm travel |
Speed and acceleration | |
| Color options | Black/white |
| Fuel capacity | 2.30 litres (0.61 gallons) |
| Category | Minibike, cross |
| Year | 2008 |
| Model | Derbi Dirt Boy 50 |
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