Difference between revisions of "Derbi Dirt Boy"
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{{Motorcycle | {{Motorcycle | ||
|name = '''Derbi Dirt Boy''' | |name = '''Derbi Dirt Boy''' | ||
|aka = Dirt Boy10, Dirt Boy 10, Dirt Boy50, Dirt Boy 50 | |aka = Dirt Boy10, Dirt Boy 10, Dirt Boy50, Dirt Boy 50 | ||
|manufacturer = [[Derbi]] | |manufacturer = [[Derbi]] | ||
| Line 22: | Line 21: | ||
|ignition = cdi | |ignition = cdi | ||
|spark_plug = | |spark_plug = | ||
|battery = | |battery = | ||
|transmission = Gear box: 1-speed <br> | |transmission = Gear box: 1-speed <br> | ||
Final Drive: belt <br> | Final Drive: belt <br> | ||
Revision as of 19:50, 9 November 2019
| 'Derbi Dirt Boy' | |
| Manufacturer | [[Derbi]] |
|---|---|
| Also called | Dirt Boy10, Dirt Boy 10, Dirt Boy50, Dirt Boy 50 |
| Production | 2006 - 2009 |
| Engine | single cylinder, four-stroke |
| Bore / Stroke | 39.0mm x 41.8mm |
| Horsepower | 4.56 HP (3.4 KW) @ 8500RPM |
| Fuel System | carburetor. 14 mm |
| Ignition | cdi |
| Transmission | Gear box: 1-speed Final Drive: belt |
| Suspension | Front: hydraulic fork. Rear: monoshock. |
| Brakes | Front: single disc Rear: expanding brake (drum brake) |
| Front Tire | 2.50-12 |
| Rear Tire | 2.75-10 |
| Wheelbase | 35.63 inches (905 mm) |
| Length | 50.79 inches (1290 mm) |
| Width | 20.43 inches (519 mm) |
| Height | 49.61 inches (1260 mm) |
| Seat Height | 24.02 inches (610 mm) |
| Weight | 103.62 pounds (47.0 Kg) (dry), |
| Fuel Capacity | 0.61 Gallon (2.30 Liters) |
| Manuals | Service Manual |
The Derbi Dirt Boy50 was a single cylinder, four-stroke standard produced by Derbi between 2006 and 2009. Claimed horsepower was 4.56 HP (3.4 KW) @ 8500 RPM.
Engine
The engine was a air cooled single cylinder, four-stroke. A 39.0mm bore x 41.8mm stroke result in a displacement of just 49.9 cubic centimeters.
Drive
The bike has a 1-speed transmission.
Chassis
It came with a 2.50-12 front tire and a 2.75-10 rear tire. Stopping was achieved via single disc in the front and a expanding brake (drum brake) in the rear. The front suspension was a hydraulic fork. while the rear was equipped with a monoshock.. The Dirt Boy50 was fitted with a 0.61 Gallon (2.30 Liters) fuel tank. The bike weighed just 103.62 pounds (47.0 Kg). The wheelbase was 35.63 inches (905 mm) long.