GAS GAS EC 250 Racing - 2011 Specifications and Reviews

The 2011 GAS GAS EC 250 Racing is a lightweight two-stroke enduro bike designed for competitive off-road riders seeking nimble handling and quick throttle response. Known for its potent 249cc single-cylinder engine and FMF exhaust system, it excels in technical terrain where agility and power delivery matter most. This machine suits experienced riders prioritizing performance over comfort.

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General information

CategoryEnduro / offroad
Year2011
ModelGAS GAS EC 250 Racing
 
 

Engine and Transmission Specifications

Exhaust systemFMF
ClutchHydraulic multidisc
Transmission type,final driveChain
Gearbox6-speed
Cooling systemLiquid
Lubrication systemFuel mixed 1:50
IgnitionDigital magnetic flywheel.
Fuel controlSOHC
Fuel systemCarburettor. Keihin 38 mm - Intake by reed valve
Bore x stroke66.0 x 72.0 mm (2.6 x 2.8 inches)
Engine typeSingle cylinder, two-stroke
Capacity:249.00 ccm (15.19 cubic inches)
 
 

Brakes, suspension, Frame and wheels

WheelsLight aluminium spoke rim
Rear brakes diameter220 mm (8.7 inches)
Rear brakesSingle disc
Front brakes diameter260 mm (10.2 inches)
Front brakesDouble disc
Rear tyre dimensions140/80-18
Front tyre dimensions90/90-21
Rear suspension travel310 mm (12.2 inches)
Rear suspensionAluminium swingarm. Progressive system with shock absorber
Front suspension travel295 mm (11.6 inches)
Front suspensionMarzocchi 45 mm Aluminium Up-Side-Down
Frame typeChrom-Molybdenum tubular frame

Physical measures and capacities

Fuel capacity9.50 litres (2.51 gallons)
Wheelbase1,475 mm (58.1 inches)
Overall width830 mm (32.7 inches)
Overall length2,200 mm (86.6 inches)
Overall height1,260 mm (49.6 inches)
Seat height940 mm (37.0 inches) If adjustable, lowest setting.
Dry weight101.0 kg (222.7 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Color optionsBlack/white
StarterKick

Performance Profile & Rider Fit

Best For

Track55%
City15%
Cornering80%
Daily Riding15%
Touring15%
Passenger5%

Rider Profile

Best ForBest suited to intermediate-to-advanced riders who already understand two-stroke power delivery and off-road bike handling.
PurposeBuilt purely for competitive enduro and technical off-road riding rather than street use or commuting.
Rider FitIts tall seat height, light dry weight, and aggressive suspension travel demand good rider fitness, standing-up control skills, and confident body positioning.
CharacterA raw, race-bred two-stroke enduro machine that rewards aggressive, active riding with explosive light-weight agility on trails and technical terrain.
Not Ideal ForNot for riders seeking a comfortable commuter, a passenger-friendly bike, or a machine suited to long paved-road touring.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2011 GAS GAS EC 250 Racing Rider Ergonomics Assessment

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Feet:

At 940mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2011 GAS GAS EC 250 Racing, with a cramped knee angle of around 85 degrees and an upright riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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