Enduro Bikes
2003GAS GAS EC Boy 50
27 fields on record
The 2003 GAS GAS EC Boy 50 is a junior off-road bike for young riders. Its liquid-cooled 49.4cc two-stroke single drives a chain final drive. A low 665 mm seat, 42 kg dry weight and a 3-litre tank make it light and manageable for children starting out.
- Capacity
- 49.4 ccm
- Engine
- Single, two-stroke
- Gearbox
- 2-speed
- Dry weight
- 42.0 kg
- Seat height
- 665 mm
- Power
- 5.4 HP (4.0 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- It exists to introduce small children to genuine enduro riding technique on a scaled-down, low-power machine in safe off-road settings.
- Built for
- Playful, forgiving, and confidence-building, mimicking full-size enduro bike looks and feel in a scaled-down, easily manageable package.
- Not ideal for
- This bike is completely unsuitable for any adult or teenage rider, road use, or anyone seeking real speed or long-distance travel.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Will it fit you?
Worked out in your browser - nothing is sent to usEngine
- Capacity
- 49.4 ccm
- Power
- 5.4 HP (4.0 kW)
- Engine type
- Single, two-stroke
- Power/weight ratio
- 0.1286 HP/kg (dry)
- Bore x stroke
- 40.0 x 39.3 mm
- Cooling system
- Liquid
- Fuel system
- Carburettor
- Starting
- Kick
- Torque
- Not on record - add it
Transmission
- Gearbox
- 2-speed
- Transmission type
- Manual
- Final drive
- Chain
Dimensions & weight
- Wheelbase
- 1005 mm
- Seat height
- 665 mm
- Dry weight
- 42.0 kg
- Fuel capacity
- 3.00 litres
- Ground clearance
- Not on record - add it
Chassis & suspension
- Frame
- Cr-Mo
- Front suspension
- Adjustable hydraulic fork
- Rear suspension
- Boge hydraulic swingarm
- Front wheel travel
- 140 mm
- Rear wheel travel
- 155 mm
Brakes & wheels
- Front brakes
- Single disc
- Front brakes diameter
- 165 mm
- Rear brakes
- Single disc
- Rear brakes diameter
- 130 mm
- Front tyre
- -14
- Rear tyre
- -12
Specs last verified against published sources: .
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 | 2002 | 2003 | 2004 |
|---|---|---|---|
| Capacity | 49 cc | 49 cc | 50 cc |
| Dry weight | 42 kg | 42 kg | 42 kg |
| Seat height | 665 mm | 665 mm | 665 mm |
| Fuel capacity | 3 L | 3 L | 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 GAS GAS EC Boy 50?
The 2003 GAS GAS EC Boy 50 has a Capacity of 49.4 ccm (3.01 cubic inches).
What engine power does the GAS GAS EC Boy 50 have?
The 2003 GAS GAS EC Boy 50 has a Power of 5.4 HP (4.0 kW).
How many gears does the GAS GAS EC Boy 50 have?
The 2003 GAS GAS EC Boy 50 has a Gearbox of 2-speed.
How much does the GAS GAS EC Boy 50 weigh?
The 2003 GAS GAS EC Boy 50 has a Dry weight of 42.0 kg (92.6 pounds).
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