Enduro Bikes
2003GAS GAS EC250
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The 2003 GAS GAS EC250 is a two-stroke enduro bike from the Spanish maker GAS GAS. Its liquid-cooled 249.3cc single makes 49.8 hp and 45.6 Nm through a six-speed gearbox and chain. A 940 mm seat, 102 kg dry weight and 9.5-litre tank suit experienced trail riders.
- Capacity
- 249.3 ccm
- Engine
- Single, two-stroke
- Gearbox
- 6-speed
- Dry weight
- 102.0 kg
- Seat height
- 940 mm
- Power
- 49.8 HP (36.6 kW)
Other years
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
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2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built purely for technical enduro and trail riding, not for street commuting or highway travel.
- Built for
- A lightweight, punchy two-stroke that rewards aggressive, momentum-based riding and rewards precise throttle control.
- Not ideal for
- Not a good fit for beginners, short riders, or anyone wanting a comfortable daily or long-distance road bike.
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
- 249.3 ccm
- Power
- 49.8 HP (36.6 kW)
- Torque
- 45.6 Nm (4.6 kgf-m)
- Engine type
- Single, two-stroke
- Power/weight ratio
- 0.4882 HP/kg (dry)
- Bore x stroke
- 66.4 x 72.0 mm
- Cooling system
- Liquid
- Fuel system
- Carburettor
- Starting
- Kick
- Ignition
- Digital magnetic flywheel Kokusan.
- Lubrication system
- 2% mixture.
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Hydraulic multidisc.
Dimensions & weight
- Wheelbase
- 1475 mm
- Overall length
- 2200 mm
- Overall width
- 830 mm
- Overall height
- 1235 mm
- Seat height
- 940 mm
- Dry weight
- 102.0 kg
- Fuel capacity
- 9.50 litres
- Ground clearance
- 340 mm
Chassis & suspension
- Frame
- Deltabox type, made of rectangular section cromoly tube
- Front suspension
- Marzocchi telehydrailc fork, 45 mm
- Rear suspension
- Ohlns progressive system
- Front wheel travel
- 295 mm
- Rear wheel travel
- 320 mm
- Rake (fork angle)
- 26.5°
Brakes & wheels
- Front brakes
- Single disc
- Front brakes diameter
- 260 mm
- Rear brakes
- Single disc
- Rear brakes diameter
- 220 mm
- Front tyre
- 90/90-21
- Rear tyre
- 140/80-18
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 | 2008 | 2014 | 2019 | 2025 |
|---|---|---|---|---|---|---|
| Capacity | 249 cc | 249 cc | 249 cc | 249 cc | 249 cc | 249 cc |
| Dry weight | 102 kg | 102 kg | 97 kg | 101 kg | 101 kg | 108 kg |
| Seat height | 940 mm | 940 mm | 945 mm | 966 mm | 966 mm | 956 mm |
| Fuel capacity | 9.5 L | 9.5 L | 9.5 L | 10.5 L | 10.5 L | 9 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 EC250?
The 2003 GAS GAS EC250 has a Capacity of 249.3 ccm (15.21 cubic inches).
What engine power does the GAS GAS EC250 have?
The 2003 GAS GAS EC250 has a Power of 49.8 HP (36.6 kW).
How many gears does the GAS GAS EC250 have?
The 2003 GAS GAS EC250 has a Gearbox of 6-speed.
What is the torque of the GAS GAS EC250?
The 2003 GAS GAS EC250 has a Torque of 45.6 Nm (4.6 kgf-m or 33.6 ft.lbs).
How much does the GAS GAS EC250 weigh?
The 2003 GAS GAS EC250 has a Dry weight of 102.0 kg (224.9 pounds).
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