GAS GAS EX 300 - 2021 Specifications and Reviews

The 2021 GAS GAS EX 300 is a lightweight two-stroke enduro bike designed for intermediate to advanced off-road riders seeking nimble handling and mechanical simplicity. Known for its responsive 299cc engine, liquid cooling, and modern fuel injection, it excels in technical terrain and tight trail conditions. The bike appeals to riders who value traditional two-stroke character with contemporary reliability.

Not Rated stars Average rating: Not Rated from 0 votes
.

General information

Price as newDo you know this bike?Click here to rate it. We miss 1 vote to show the rating.
CategoryEnduro / offroad
Year2021
ModelGAS GAS EX 300
 
 

Engine and Transmission Specifications

Emission detailsEuro 4
Driveline5/8 x 1/4´ chain
ClutchWet, DDS multi-disc clutch, Brembo hydraulics
Transmission typeChain   (final drive)
Gearbox6-speed
Cooling systemLiquid
IgnitionContinental EMS
Fuel systemInjection
Bore x Stroke72.0 x 72.0 mm (2.8 x 2.8 inches)
Engine typeSingle cylinder, two-stroke
Capacity:299.3 ccm (18.26 cubic inches)

Brakes, suspension, Frame and wheels

Rear brakesSingle disc
Diameter260 mm (10.2 inches)
Front brakesSingle disc
Rear tire140/80-18
Front tire90/90-21
Rear wheel travel300 mm (11.8 inches)
Rear SuspensionWP XACT Monoshock with linkage
Front wheel travel310 mm (12.2 inches)
Front SuspensionWP XACT-USD, Ø 48 mm
Rake (fork angle)26.1°
Frame typeCentral double-cradle-type 25CrMo4 steel
 
 

Physical measures and capacities

Fuel capacity8.50 litres (2.25 US gallons)
Wheelbase1480 mm (58.3 inches)
Ground clearance375 mm (14.8 inches)
Overall width825 mm (32.5 inches)
Overall length2285 mm (90.0 inches)
Overall height1260 mm (49.6 inches)
Seat height950 mm (37.4 inches) If adjustable, lowest setting.
Dry weight100.0 kg (220.5 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
CommentsSpanish made bike.
ElectricalLi-ion battery.
StarterElectric
Color optionsRed/white

Performance Profile & Rider Fit

Best For

Track15%
City15%
Cornering70%
Daily Riding15%
Touring15%
Passenger5%

Rider Profile

Best ForBest suited to intermediate to experienced off-road riders who understand two-stroke power delivery and clutch control.
PurposeBuilt purely for serious enduro and trail riding where light weight, suspension travel, and tractable power matter far more than outright top speed.
Rider FitIts tall 950mm seat height, minimal weight, and dirt-bike ergonomics demand decent rider fitness and confidence standing on the pegs.
CharacterA raw, punchy two-stroke enduro weapon that rewards active riding and skilled throttle-clutch coordination on technical terrain.
Not Ideal ForNot a sensible choice for commuters, passengers, or anyone wanting a comfortable, low-maintenance road-going machine.

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

Rider Fit Visualizer

2021 GAS GAS EX 300 Rider Ergonomics Assessment

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

Feet:

At 950mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2021 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.

Find bikes that fit your height →

Rider Reviews

Total comments: 1
64x64

MotorcycleDB Review

The 2021 GAS GAS EX 300 is a powerful and versatile off-road motorcycle that offers exceptional performance and handling. With a 300cc engine, this bike delivers impressive power and torque, making it suitable for tackling a variety of difficult terrain. The lightweight and agile design of the EX 300 allows riders to navigate through tight corners and rough trails with ease, while the advanced suspension system provides a smooth and controlled ride. Whether you're an experienced rider looking for a high-performance machine or a beginner seeking a reliable off-road bike, the GAS GAS EX 300 is a top choice. In conclusion, the 2021 GAS GAS EX 300 is an excellent option for riders who want a capable and reliable off-road motorcycle. With its powerful engine, agile handling, and advanced suspension system, this bike is well-equipped to handle a wide range of riding conditions. Whether you're hitting the trails for some weekend fun or competing in off-road races, the EX 300 has the performance and durability to meet your needs.
Reply

Add a Comment


Please Login or Register if you would like to leave a comment.