Proof that some of the best things in life truly do come in the smallest packages! The electric start EC 250F delivers performance and enjoyment far beyond what many would expect from a compact 250cc engine. Welcoming to riders of all ages and abilities, its low weight and WP rear shock and linkage contribute to the amazing handling characteristics and easy maneuverability. The potent quarter-liter motor ensures serious offroad fun.
GASGAS Enduro bikes are built to look good and perform to the very highest levels, which is why all of our bodywork ensures complete harmony between rider and bike, providing the perfect ergonomics and contact points for maximum freedom of movement. The modern design and red plastics reflect our vibrant, Spanish personality while our straightforward graphics proudly say GASGAS! An ergonomically designed flat seat profile, combined with a high grip seat cover, deliver superior comfort and control in all conditions.
There is nothing a rider can’t love about the straightforward and completely safe no tools needed filter mounting system on all GASAGAS enduro bikes. In the workshop or out at the track, air filter removal and changing takes only minutes. Designed with precisely positioned inlet ducts that ensure maximum airflow and protection of the Twin Air filter, our Airbox allows easy and fast maintenance and maximum air flow.
NEKEN HANDLEBAR, GRIPS AND THROTTLE ASSEMBLY
Ensuring rider comfort and control thanks to optimal pressure points on rider’s hands, we fit high-quality Neken tapered handlebars to all of our enduro bikes. With a left side ODI grip that doesn’t require gluing, on the throttle side there is a vulcanized grip that features an innovative integrated throttle mechanism. With easy to adjust free-play, by changing a cam the progression of the throttle can also be altered.
FUEL TANK All GASGAS enduro bikes feature 8.5-litre fuel tanks ensuring fun forest rides can go on and on. Made from transparent polythene that allows riders to easily see how much fuel is inside the tank, a bayonet style filler cap provides a tight, reliable seal. With a specific routing keeping the external fuel line safe, all bikes are fitted with a fuel level sensor.
All GASGAS enduro frames are built using lightweight, laser-cut chromium molybdenum steel, which is robot welded for complete accuracy and strength! incorporating specifically engineered flex into all 2-stroke and 4-stroke frames we ensure riders have complete confidence no matter how gnarly the terrain. Together with proven geometry, our frames ensure playful handling and the very best stability. We then finish them with durable, red powder coating.
SUBFRAME With a short and compact profile all GASGAS enduro subframes are made from lightweight aluminum. The profile helps centralize mass while also keeping weight down.
FORGED TRIPLE CLAMPS Our 22mm offset forged triple clamps offer 4-way handlebar adjustment, which ensures riders of all sizes can accurately set the handlebars to best suit their needs. Delivering maximum stiffness, they ensure precise handling and front suspension action.
FRONT SUSPENSION 48 is the magic number when it comes to our enduro bikes. 48mm to be exact, the precise diameter of the WP XPLOR USD forks. They use a split fork design with each side fitted with springs, compression damping is on the left and the rebound on the right. They also provide progressive damping and simple and fast clicker adjustments. And thanks to a calibrated mid-valve piston for consistent damping, the advanced setup keeps the front end higher in the stroke, providing impressive reserves against bottoming out.
REAR SUSPENSION Matched to the linkage system fitted to all GASGAS enduro bikes, the WP XACT rear shock delivers 300mm of rear wheel travel to ensure awesome handling, the very best traction and maximum fun in the woods. With specific internal settings giving complete rider confidence across a wide-range of offroad terrains, in offering full rebound and high/low-speed compression adjustability the shock can easily be fine-tuned to meet the needs of beginners and seasoned racers alike.
SWINGARM The hollow, cast aluminum swingarms fitted to all enduro bikes provide exceptional strength at the lowest possible weight. With clearly visible chain adjuster marks they also ensures chain adjustment is quick and accurate.
Our 250cc motor is designed to be light, compact and amazingly powerful. The lively 250cc electric-start power unit is incredibly user friendly yet massively capable. Designed to boost handling as well as best in class performance, it’s a small but potent 4-stroke package.
CYLINDER HEAD It’s the magic that happens inside the DOHC cylinder head that guarantees the EC 250F produces efficient, high-level power across the entire rev range. Featuring large titanium valves and finger followers with a tough Diamond Like Coating (DLC) the high-revving cylinder head ensures minimum drag for maximum performance.
CYLINDER AND PISTON Both professionally engineered from high strength aluminum, the EC 250F cylinder and piston perform an important role in delivering the lively performance that makes the bike so much fun to ride. Guaranteeing outstanding performance and reliability the 78mm bore houses a rigid, forged bridged-box-type piston made by CP.
COUNTER BALANCER SHAFT In order to counteract the rotational force of the crankshaft and reduce vibration, the EC 250F engine uses a multifunctional counter balancer shaft that also drives the water pump and timing chain.
TRANSMISSION Gear changes, lots of gear changes, that is part of what makes riding and racing a 250cc 4-stroke fun. The EC 250F comes with an enduro specific, 6-speed forged transmission made by PANKL RACING SYSTEMS that ensures the highest durability and reliability. Additionally, a gear sensor allows the EMS to tailor a specific engine character suited for each gear.
CRANKSHAFT Specifically positioned within the motor, the EC 250F crankshaft helps centralize oscillating masses for super easy handling. A plain big end bearing with force-fitted bearing shells increase service intervals, ensuring durability and the best possible performance. Plain big end bearings with force-fitted bearing shells ensure 135-hour service intervals!
CRANKCASE The EC 250F motor is designed to house the motor’s internal shaft arrangements at the ideal center of gravity to improve overall handling. The casings, manufactured using a high-pressure die cast production process, integrate the oil supply to the main bearing and ensure minimal weight while retaining exceptional reliability and strength.
EXHAUST SYSTEM Ensuring enduro specific power across the full GASGAS enduro range, all our exhausts are designed and built to meet FIM sound regulations! The 4-stroke exhaust systems are expertly designed to deliver the very best performance at the lowest possible weight while a joining position allows it to be removed without having to take out the rear shock. Further innovation allows for a short, compact silencer that doesn’t increase noise levels. The muffler shell is crafted from lightweight aluminum.
DDS CLUTCH Ensuring riders have precise control over the EC 250F we use a Dampened Diaphragm Steel (DDS) clutch. Using a single diaphragm steel pressure plate instead of traditional coil springs, together with a damping system the clutch delivers better traction and durability. We use a Braktec hydraulic master cylinder to ensure a smooth, progressive lever action.
Providing superior stopping power while giving riders control and confidence, we fit Braktec braking systems to all of our enduro bikes. With a smooth, sensitive action the front brake features an 11mm piston within the master cylinder and 2x25mm pistons in the caliper, together with a waved 260mm front disc. The rear brake has a 12.7mm master cylinder piston and a 1x25mm piston caliper and uses a 220mm rear brake disc. Keeping weight to a minimum and offering complete confidence Braktec brakes ensure serious stopping power!
BRAKTEC HYDRAULIC CLUTCH The Braktec hydraulic clutch system we fit to all GASGAS enduro bikes provides even wear, near maintenance-free operation and perfect action in all conditions. It’s also extremely light. Free play is constantly adjusted to ensure a biting point and action that never changes.
INTEGRATED COOLING SYSTEM AND RADIATORS A cool running motor is a well performing motor, which is why all GASGAS enduro bikes feature an integrated cooling system that ensures maximum cooling efficiency. It also eliminates the need for additional hoses while the slim design of the radiators ensures a narrower bike with class-leading ergonomics. Expertly crafted using high strength aluminum, all radiators also give our enduro bikes a low center of gravity for best possible handling.
WHEELS No matter if axle deep in mud, bouncing over rocky trails or being put through their paces over sandy, whooped out straightaways, our silver, alloy wheels are super high-strength. Featuring CNC machined hubs that use lightweight spokes and silver anodized aluminum nipples, GASGAS enduro wheels combine minimal weight with maximum stability.
TYRES All GASGAS Enduro bikes come fitted Maxxis Maxx Enduro medium tires as standard, designed to be durable, grippy and deliver the performance that completes our proven performance bikes. Inspiring confidence across a wide range of terrain, the tread pattern is designed to maximize both traction and braking performance.
ENGINE MANAGEMENT SYSTEM
The brains of our EC line-up! Working away behind the scenes to ensure the smooth running of the high-performance GASGAS enduro bikes, on our 4-strokes the Keihin EMS system controls everything to do with the electronic fuel injection system as well as featuring a gear sensor, that tailors power delivery for each gear.
THROTTLE BODY We use a 42mm Keihin unit on our 4-strokes enduro bikes. On the EC 250F and EC 350F immediate throttle response is guaranteed due to the throttle cable being mounted directly, without a throttle linkage. The injector is positioned to ensure the most efficient flow into the combustion chamber.
ELECTRIC START AND LI-ION BATTERY The best invention since the wheel! With an electric starter fitted to all of our 4-stroke and 2-stroke enduro bikes we can ensure that all GASGAS enduro models start super easily, no matter the weather. Using a Li-Ion battery, which weighs approx. 1kg less than a conventional lead battery, we can offer the convenience of electric starting while also keeping overall bike weight to a minimum. It’s a win, win for everyone!