GAS GAS Gas EX 300 - 2026 Specifications and Reviews

The 2026 GAS GAS EX 300 is a lightweight two-stroke enduro bike designed for intermediate to advanced off-road riders seeking nimble handling and precise control on technical terrain. Known for its potent 293cc engine with modern EFI technology, the EX 300 combines classic two-stroke performance with contemporary reliability. Its compact dimensions and aggressive geometry make it ideal for competition and trail riding.

2026
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General information

Color OptionsRed/black
PriceUS$ 10749. MSRP depends on country, taxes, accessories, etc.
CategoryEnduro / offroad
ModelGAS GAS EX 300

Engine and Transmission Specifications

StartingElectric
ClutchDDS wet multi-disc clutch, Braktec hydraulics
Final DriveChain (final drive)
Gearbox6-speed
Cooling SystemLiquid
IgnitionVitesco Technologies EMS
InductionInjection. Keihin EFI, throttle body 39 mm
Bore x Stroke72.0 x 72.0 mm (2.8 x 2.8 inches)
Capacity:293.2 ccm (17.89 cubic inches)
 
 

Physical measures and capacities

Fuel Capacity9.00 litres (2.38 US gallons)
Wheelbase1489 mm (58.6 inches)
Ground Clearance354 mm (13.9 inches)
Overall Width825 mm (32.5 inches)
Overall Length2285 mm (90.0 inches)
Overall Height1260 mm (49.6 inches)
Seat Height956 mm (37.6 inches) If adjustable, lowest setting.
Dry Weight102.3 kg (225.5 pounds)

GAS GAS Gas EX 300 dimensions and frame

WheelsSpoked wheels with aluminium rims
Rear BrakesSingle disc
Brake Disc Diameter220 mm (8.7 inches)
Front BrakesSingle disc
Rear Tyre140/80-18
Front Tyre90/90-21
Rear Wheel Travel300 mm (11.8 inches)
Rear SuspensionWP XACT Monoshock with linkage
Front Wheel Travel310 mm (12.2 inches)
Front SuspensionWP-USD, XACT PRO 7548 Fork, 48 mm
FrameCentral double-cradle-type 25CrMo4 steel.

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Update specsReport missing specs or required updates.
Electrical2 Ah battery.
Rake (fork angle)26.1°
Exhaust systemAluminium
Driveline520 X-ring chain
Engine typeSingle cylinder, two-stroke
Model year2025

Performance Profile & Rider Fit

Best For

Track20%
City15%
Cornering70%
Daily Riding15%
Touring15%
Passenger5%

Rider Profile

Best ForThis bike suits experienced off-road riders comfortable with a light, punchy two-stroke that demands active throttle and clutch control.
PurposeBuilt purely for serious enduro and technical off-road riding, not for street use or long-distance touring.
Rider FitTall seat height and minimal weight favor taller, fit riders who can handle standing and shifting body weight over rough terrain.
CharacterA sharp, aggressive, lightweight two-stroke enduro weapon that rewards skillful, physical riding with exceptional agility.
Not Ideal ForNot a good fit for beginners, commuters, passengers, or anyone wanting comfort-oriented road or touring capability.

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

Rider Fit Visualizer

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 956mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with cannot reach comfortably on the 2026 GAS GAS Gas EX 300, 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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