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.
General information | |
| Price as new | Do you know this bike?Click here to rate it. We miss 1 vote to show the rating. |
| Category | Enduro / offroad |
| Year | 2021 |
| Model | GAS GAS EX 300 |
| | |
Engine and Transmission Specifications | |
| Emission details | Euro 4 |
| Driveline | 5/8 x 1/4´ chain |
| Clutch | Wet, DDS multi-disc clutch, Brembo hydraulics |
| Transmission type | Chain (final drive) |
| Gearbox | 6-speed |
| Cooling system | Liquid |
| Ignition | Continental EMS |
| Fuel system | Injection |
| Bore x Stroke | 72.0 x 72.0 mm (2.8 x 2.8 inches) |
| Engine type | Single cylinder, two-stroke |
| Capacity: | 299.3 ccm (18.26 cubic inches) |
Brakes, suspension, Frame and wheels | |
| Rear brakes | Single disc |
| Diameter | 260 mm (10.2 inches) |
| Front brakes | Single disc |
| Rear tire | 140/80-18 |
| Front tire | 90/90-21 |
| Rear wheel travel | 300 mm (11.8 inches) |
| Rear Suspension | WP XACT Monoshock with linkage |
| Front wheel travel | 310 mm (12.2 inches) |
| Front Suspension | WP XACT-USD, Ø 48 mm |
| Rake (fork angle) | 26.1° |
| Frame type | Central double-cradle-type 25CrMo4 steel |
| | |
Physical measures and capacities | |
| Fuel capacity | 8.50 litres (2.25 US gallons) |
| Wheelbase | 1480 mm (58.3 inches) |
| Ground clearance | 375 mm (14.8 inches) |
| Overall width | 825 mm (32.5 inches) |
| Overall length | 2285 mm (90.0 inches) |
| Overall height | 1260 mm (49.6 inches) |
| Seat height | 950 mm (37.4 inches) If adjustable, lowest setting. |
| Dry weight | 100.0 kg (220.5 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Comments | Spanish made bike. |
| Electrical | Li-ion battery. |
| Starter | Electric |
| Color options | Red/white |
Performance Profile & Rider Fit
Best For
Track15%
City15%
Cornering70%
Daily Riding15%
Touring15%
Passenger5%
Rider Profile
| Best For | Best suited to intermediate to experienced off-road riders who understand two-stroke power delivery and clutch control. |
| Purpose | Built purely for serious enduro and trail riding where light weight, suspension travel, and tractable power matter far more than outright top speed. |
| Rider Fit | Its tall 950mm seat height, minimal weight, and dirt-bike ergonomics demand decent rider fitness and confidence standing on the pegs. |
| Character | A raw, punchy two-stroke enduro weapon that rewards active riding and skilled throttle-clutch coordination on technical terrain. |
| Not Ideal For | Not 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.
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Rider Reviews
Total comments: 1

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.Add a Comment
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