Enduro Bikes

2011GAS GAS EC 250 4T

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The 2011 GAS GAS EC 250 4T is a lightweight enduro bike featuring a Yamaha-sourced 249cc four-stroke engine, ideal for intermediate to advanced off-road riders. Known for its nimble handling and technical prowess, it excels in rocky terrain and tight trail sections. The five-valve engine delivers reliable power with excellent fuel efficiency for long rides.

Capacity: 249.3 ccm
Engine: Single, four-stroke
Gearbox: 6-speed
Dry weight: 110.0 kg
Seat height: 940 mm
Power: 24.9 HP (18.3 kW)

⇄ Compare with another bike All model years

What’s new for the 2011 GAS GAS EC 250 4T

vs the 2010

Spec	2010	2011
Gearbox	5-speed	6-speed
Front suspension	45 mm upside-down Marzocchi fork	Marzocchi 45 mm Up-Side-Down
Rear suspension	One-piece aluminium swing arm progressive system with Sachs shock absorber	Aluminium swingarm. Progressive system with Sachs hydraulic mono shock absorber
Front brakes	Single disc. Double-piston	Single disc. Wave floating, 2-piston caliper
Rear brakes	Single disc. Single-piston	Single disc. Wave disc, 1-piston caliper
Wheelbase	1476 mm (58.1 inches)	1490 mm (58.7 inches)

Other years 2010 2011

How it rides

Editorial estimate from the spec sheet - not lab tested

Off-road & trail96%

Cornering55%

City riding20%

Daily riding15%

Touring20%

Two-up5%

Track20%

Best for: Built for enduro racing and serious off-road trail riding rather than street use, road touring, or passenger carrying.
Built for: A raw, purpose-built four-stroke enduro bike with premium long-travel suspension, hydraulic clutch, and a race-bred chassis that rewards aggressive, skillful off-road riding.
Not ideal for: This bike is not for commuters, highway tourers, passengers, or riders seeking plush comfort and low-maintenance road-going practicality.

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 175cm with a 79cm (estimated) inseam will not reach the ground comfortably on the 2011 GAS GAS EC 250 4T, 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 →

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Full specifications

Engine

Capacity: 249.3 ccm
Power: 24.9 HP (18.3 kW)
Engine type: Single, four-stroke
Power/weight ratio: 0.2264 HP/kg (dry)
Bore x stroke: 66.4 x 72.0 mm
Cooling system: Liquid
Fuel system: Carburettor
Starting: Kick
Ignition: CDI
Valves per cylinder: 5
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: 1490 mm
Overall length: 2200 mm
Overall width: 830 mm
Overall height: 1260 mm
Seat height: 940 mm
Dry weight: 110.0 kg
Fuel capacity: 6.30 litres
Ground clearance: Not on record - add it

Chassis & suspension

Frame: Chrom-Molybdenum frame with B-profil
Front suspension: Marzocchi 45 mm Up-Side-Down
Rear suspension: Aluminium swingarm. Progressive system with Sachs hydraulic mono shock absorber
Front wheel travel: 295 mm
Rear wheel travel: 310 mm