Enduro Bikes

2004GAS GAS EC250

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The 2004 GAS GAS EC 250 is a lightweight enduro machine designed for competitive off-road riders and trail enthusiasts. Featuring a 249cc liquid-cooled single-cylinder engine with a 6-speed transmission, it excels in technical terrain with its low seat height and exceptional ground clearance. Known for its agility and manageable weight of just 102kg, this bike is best suited for riders seeking nimble handling and precision in demanding off-road conditions.

Capacity: 249.3 ccm
Engine: Single, two-stroke
Gearbox: 6-speed
Dry weight: 102.0 kg
Seat height: 940 mm
Power: 24.9 HP (18.3 kW)

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What’s new for the 2004 GAS GAS EC250

vs the 2003

Spec	2003	2004
Power	49.8 HP (36.6 kW)	24.9 HP (18.3 kW)
Torque	45.6 Nm (4.6 kgf-m or 33.6 ft.lbs)	not listed

Other years 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail97%

Cornering60%

City riding15%

Daily riding15%

Touring15%

Two-up5%

Track30%

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?

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Your height

Inseam (optional)

Units

At 940mm, a rider of 68.9" with a 31" (estimated) inseam will not reach the ground comfortably on the 2004 GAS GAS EC250, with a cramped knee angle of around 85 degrees and an upright riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at over 900 mm — Sky High →

Find bikes that fit your height →

Full specifications

Engine

Capacity: 249.3 ccm
Power: 24.9 HP (18.3 kW)
Engine type: Single, two-stroke
Power/weight ratio: 0.2441 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.
Torque: Not on record - add it

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

Other

Color options: Red/black

Specs last verified against published sources: October 2026.

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	2004	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