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Gas EC 250F - 2025 Specifications and Reviews

The 2025 GAS GAS EC 250F is a lightweight enduro bike designed for trail riders seeking technical off-road performance. Its 250cc four-stroke engine with titanium valves and counter-balancer shaft delivers reliable power and smooth operation across varied terrain. Best known for its nimble handling and efficiency, it excels in tight, rocky conditions where precision and fuel economy matter most.

2025
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General information

Color OptionsRed/black
CategoryEnduro / offroad
ModelGAS GAS EC 250F

Engine and Transmission Specifications

StartingElectric
ClutchDDS wet multi-disc clutch. Braktec hydraulics.
Final DriveChain (final drive)
Gearbox6-speed
Cooling SystemLiquid
IgnitionKeihin EMS
Fuel ControlOverhead Cams (OHC)
InductionInjection. Keihin EFI, throttle body 42 mm
Bore x Stroke81.0 x 48.5 mm (3.2 x 1.9 inches)
Compression Ratio14.4:1
Engine DetailsCounter balancer shaft. Titanium valves.
Capacity249.9 ccm (15.25 cubic inches)
 
 

Physical measures and capacities

Fuel Capacity9.00 litres (2.38 US gallons)
Wheelbase1489 mm (58.6 inches)
Ground Clearance343 mm (13.5 inches)
Overall Width830 mm (32.7 inches)
Overall Length2200 mm (86.6 inches)
Overall Height1260 mm (49.6 inches)
Seat Height956 mm (37.6 inches) If adjustable, lowest setting.
Dry Weight109.5 kg (241.4 pounds)
 
 

Gas EC 250F dimensions and frame

Wheels21 x 1.60´; 18 x 2.15´
Rear BrakesSingle disc
Brake Disc Diameter220 mm (8.7 inches)
Front BrakesSingle disc
Rear Tyre140/80-19
Front Tyre90/90-21
Rear Wheel Travel300 mm (11.8 inches)
Rear SuspensionWP XACT Monoshock with linkage
Front Wheel Travel300 mm (11.8 inches)
Front SuspensionWP XPLOR-USD, 48 mm
FrameCentral double-cradle-type 25CrMo4 steel.

Other specs

Related bikesList related bikes for comparison of specs.
Ask questionsJoin the 25 GAS GAS EC 250F discussion group or the general GAS GAS discussion group.
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Update specsReport missing specs or required updates.
Electrical2 Ah battery.
Rake (fork angle)26.1°
Exhaust systemAluminium
Driveline520 X-Ring. Primary drive: 24:52. Final drive: 14:52.
Engine typeSingle cylinder, four-stroke
Year2025

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