Minibikes
2009Derbi Dirt Kid 50
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The 2009 Derbi Dirt Kid 50 is a lightweight minibike designed for young riders and beginners seeking an affordable entry into off-road riding. Powered by a simple 49cc air-cooled single-cylinder engine with automatic clutch, it delivers easy handling and low maintenance. Known for its rugged build quality and fun factor, this Spanish-made bike excels as an introductory dirt bike for children and novice riders.
- Capacity
- 49.9 ccm
- Engine
- Single
- Gearbox
- 1-speed
- Dry weight
- 47.0 kg
- Seat height
- 685 mm
- Power
- 5.4 HP (4.0 kW)
What’s new for the 2009 Derbi Dirt Kid 50
vs the 2008| Spec | 2008 | 2009 |
|---|---|---|
| Front suspension | Hydraulic fork. 135 mm travel | Hydraulic fork. |
| Rear suspension | Monoshock. 160 mm travel | Monoshock. |
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- It exists purely to introduce kids to off-road riding in a safe, low, single-speed, low-power package.
- Built for
- Simple, forgiving, and slow, with a single-speed gearbox and tiny 50cc four-stroke engine designed to build confidence rather than thrill.
- Not ideal for
- This is not suitable for adult riders, highway use, touring, or anyone wanting real speed or multi-gear control.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Engine
- Capacity
- 49.9 ccm
- Power
- 5.4 HP (4.0 kW)
- Engine type
- Single
- Power/weight ratio
- 0.1149 HP/kg (dry)
- Bore x stroke
- 39.0 x 41.8 mm
- Cooling system
- Air
- Fuel system
- Carburettor
- Starting
- Kick
- Ignition
- CDI
- Lubrication system
- Oil pump
Transmission
- Gearbox
- 1-speed
- Transmission type
- Manual
- Final drive
- Belt
- Clutch
- Wet housing
Dimensions & weight
- Wheelbase
- 995 mm
- Overall length
- 1430 mm
- Overall width
- 815 mm
- Overall height
- 1260 mm
- Seat height
- 685 mm
- Dry weight
- 47.0 kg
- Fuel capacity
- 2.30 litres
- Oil capacity
- 0.60 litres
Chassis & suspension
- Frame
- Double steel beam
- Front suspension
- Hydraulic fork.
- Rear suspension
- Monoshock.
- Front wheel travel
- 135 mm
- Rear wheel travel
- 160 mm
Brakes & wheels
- Front brakes
- Single disc
- Front brakes diameter
- 160 mm
- Rear brakes
- Expanding brake (drum brake)
- Rear brakes diameter
- 90 mm
- Front tyre
- 2.50-12
- Rear tyre
- 2.75-10
Other
- Color options
- Red
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
What changed, year to year
Differences highlighted| Specification | 2008 | 2009 |
|---|---|---|
| Capacity | 50 cc | 50 cc |
| Dry weight | 47 kg | 47 kg |
| Seat height | 685 mm | 685 mm |
| Fuel capacity | 2.3 L | 2.3 L |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the Derbi Dirt Kid 50?
The 2009 Derbi Dirt Kid 50 has a Capacity of 49.9 ccm (3.05 cubic inches).
What engine power does the Derbi Dirt Kid 50 have?
The 2009 Derbi Dirt Kid 50 has a Power of 5.4 HP (4.0 kW).
How many gears does the Derbi Dirt Kid 50 have?
The 2009 Derbi Dirt Kid 50 has a Gearbox of 1-speed.
How much does the Derbi Dirt Kid 50 weigh?
The 2009 Derbi Dirt Kid 50 has a Dry weight of 47.0 kg (103.6 pounds).
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