2011 GAS GAS EC 250 4T Technical Analysis & Specification Breakdown
At the heart of the 2011 GAS GAS EC 250 4T enduro - offroad motorcycle, GAS GAS pairs a 249.3 cc (15.2 cu in) liquid-cooled single cylinder, four-stroke architecture with road-focused gearing. Internal engine geometry specifies a bore and stroke of 66.4 x 72.0 mm (2.6 x 2.8 inches).
On the scales, the EC 250 4T measures 110 kg (243 lbs) dry. Rider ergonomics and chassis geometry center around a 940 mm (37 in) seat height — reflecting a long-travel chassis stance that favors ground clearance and off-pavement control, combined with a 1,490 mm (58.7 in) wheelbase engineered for balanced agility and highway composure. The 6.3-liter (1.7 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Within MotoLibrary's GAS GAS archive, this model family spans 2 indexed model years from 2010 to 2011, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Standover Height
940 mm (37 in)
Engine
Displacement249.3 ccm (15.21 cubic inches)
Engine TypeSingle cylinder, four-stroke
Engine DetailsYamaha engine
Bore x Stroke66.4 x 72.0 mm (2.6 x 2.8 inches)
Valves/Cylinder5
Fuel SystemCarburettor. Keihin FCR-MX37
Fuel ControlDouble Overhead Cams/Twin Cam (DOHC)
Lubrication2% mixture.
CoolingLiquid
Transmission
Gearbox6-speed
Final DriveChain (final drive)
ClutchHydraulic multidisc.
Chassis
Frame TypeChrom-Molybdenum frame with B-profil
Front SuspensionMarzocchi 45 mm Up-Side-Down
Front Travel295 mm (11.6 inches)
Rear SuspensionAluminium swingarm. Progressive system with Sachs hydraulic mono shock absorber
Rear Travel310 mm (12.2 inches)
Wheelbase1490 mm (58.7 inches)
Wheels & Brakes
Front Tyre90/90-21
Rear Tyre140/80-18
Front BrakesSingle disc. Wave floating, 2-piston caliper
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
