14 August. Friday 2026
GAS GAS EC 250 4T - 2011 Specifications and Reviews
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.
2011
General information | |
| Category | Enduro / offroad |
| Year | 2011 |
| Model | GAS GAS EC 250 4T |
Engine and Transmission Specifications | |
| Clutch | Hydraulic multidisc. |
| Transmission type,final drive | Chain |
| Gearbox | 6-speed |
| Cooling system | Liquid |
| Lubrication system | 2% mixture. |
| Fuel control | DOHC |
| Fuel system | Carburettor. Keihin FCR-MX37 |
| Valves per cylinder | 5 |
| Bore x stroke | 66.4 x 72.0 mm (2.6 x 2.8 inches) |
| Engine details | Yamaha engine |
| Engine type | Single cylinder, four-stroke |
| Capacity: | 249.30 ccm (15.21 cubic inches) |
| | |
Brakes, suspension, Frame and wheels | |
| Rear brakes diameter | 220 mm (8.7 inches) |
| Rear brakes | Single disc. Wave disc, 1-piston caliper |
| Front brakes diameter | 260 mm (10.2 inches) |
| Front brakes | Single disc. Wave floating, 2-piston caliper |
| Rear tyre dimensions | 140/80-18 |
| Front tyre dimensions | 90/90-21 |
| Rear suspension travel | 310 mm (12.2 inches) |
| Rear suspension | Aluminium swingarm. Progressive system with Sachs hydraulic mono shock absorber |
| Front suspension travel | 295 mm (11.6 inches) |
| Front suspension | Marzocchi 45 mm Up-Side-Down |
| Frame type | Chrom-Molybdenum frame with B-profil |
| | |
Physical measures and capacities | |
| Fuel capacity | 6.30 litres (1.66 gallons) |
| Wheelbase | 1,490 mm (58.7 inches) |
| Overall width | 830 mm (32.7 inches) |
| Overall length | 2,200 mm (86.6 inches) |
| Overall height | 1,260 mm (49.6 inches) |
| Seat height | 940 mm (37.0 inches) If adjustable, lowest setting. |
| Dry weight | 110.0 kg (242.5 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Color options | Black/red/white |
| Starter | Kick |
Performance Profile & Rider Fit
Best For
Track20%
City20%
Cornering55%
Daily Riding15%
Touring20%
Passenger5%
Rider Profile
| Best For | This is a competition-focused enduro machine best suited to intermediate and experienced off-road riders comfortable with a tall seat, kick starting, and demanding technical terrain. |
| Purpose | Built for enduro racing and serious off-road trail riding rather than street use, road touring, or passenger carrying. |
| Rider Fit | The lightweight sub-115kg dry weight and tall 940mm seat height make it very manageable to muscle through obstacles, but the seat height and firm suspension favor taller, fitter riders. |
| Character | 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. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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