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ID # 34261319

2025 GASGAS MC 300

  • 2025 GASGAS MC 300
  • 2025 GASGAS MC 300
  • 2025 GASGAS MC 300
  • 2025 GASGAS MC 300
  • 2025 GASGAS MC 300
  • 2025 GASGAS MC 300
  • 2025 GASGAS MC 300
  • 2025 GASGAS MC 300
  • 2025 GASGAS MC 300
  • 2025 GASGAS MC 300
  • 2025 GASGAS MC 300
  • 2025 GASGAS MC 300
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Overview

We're super excited about our new MC 300! As a big-bore 2-stroke, it's big on fun but it's also dreamy to ride. Those who like to short shift and get up through the 5-speed gearbox will be rewarded with a riding experience like nothing else. As modern as it gets, the MC 300 is fully loaded with the best in dirt bike tech. E-start, electronic fuel injection, and an electronical exhaust control make our new bike super easy to start and to ride. Rounding out the build is a frame designed to deliver stability and razor-sharp handling, WP suspension, Braktec brakes, and all-red bodywork from front to back. Looks pretty good, doesn't it?
Specifications
Model
MC
Category Name
Motorcycles
Year
2025
Sale Type
New
Manufacturer
GasGas
Color
Anthracite Metallic
style

2025 GASGAS MC 300GRAPHICS

All-new graphics spice things up for 2025 with the GASGAS logo emblazoned in black rather than white for a fresh twist. Still red, still durable, and still eye-catching, the distinctive design is applied using IML technology. This means they're applied within the bodywork so your GASGAS will stay looking super fresh for a long, long time, even if you ride in gnarly conditions week after week.

2025 GASGAS MC 300 BODYWORK

All red, front to back! Incredibly ergonomic with large contact surfaces to help you grip the bike with your legs, the smooth profile bodywork encourages riders to effortlessly move around on the bike and ride with a perfect technique. There's also a super grippy seat cover, in red of course, to keep you sat exactly where you need to be when you get on the gas!

2025 GASGAS MC 300 HANDLEBARS

Get on the gas and hold on tight! Not too tight though as nobody likes arm pump... But to make sure the ride is comfortable, NEKEN handlebars are clamped into redesigned bar mounts (they're more resistant to twisting if you should hit the deck), with lock-on style, medium compound ODI grips fitted to create a comfy set-up to suit all riders.

2025 GASGAS MC 300AIRBOX

Less time working on bikes means more time riding bikes, which is precisely why you'll love the straightforward, no tools and no-nonsense filter mounting system. With a stronger one-piece design for the air intake in 2025, maximum airflow is guaranteed, and you know what that means... maximum power! Like before, accessing the air filter to inspect or replace it couldn't be easier. Simply pop the left side panel off and you'll be inside the airbox in no time.
handling
2025 GASGAS MC 300

SUBFRAME

Made from one piece of light and strong aluminum, the subframe plays an important role in creating slim ergonomics. It's also super compact too, which means it helps centralize mass, and that assists with the overall handling.

2025 GASGAS MC 300 FRAME

So much testing and development went into designing and building the MC 300 frame. Just like the other GASGAS dirt bikes in our line-up, the frame makes the bike super stable at speed in addition to being able to rail around corners with ease. The frame is complete with a red powder coating and guards with a grippy surface to help you grip the bike and protect the shiny finish.

2025 GASGAS MC 300 WP FORKS

Like every other full size motocross model, the MC 300 is equipped with the latest 48mm WP XACT forks. Easily adjustable by hand on the outside, on the inside, a capsulated air spring and pressurized oil chamber take care of delivering consistent damping. By using an air spring, a customized set-up can be created easily as this bike includes an air pump to adjust the pressure. And, for those who like to go big on the jumps, a hydrostop helps maintain forward momentum by taking the sting out of every heavy landing. 

2025 GASGAS MC 300WP SHOCK

With no less than 300mm of travel, the WP XACT rear shock soaks up the biggest of bumps with ease. For 2025, the performance of the shock is taken up a notch thanks to the new, lower friction seals in the linkage and a smaller diameter linkage bolt, to reduce a little weight. Both revisions were put to the test in MXGP, so you know they'll make a difference. Because of the new frame, the shock's settings have been revised to deliver the best damping straight from the showroom floor. However, creating a customized set-up remains super simple as adjustments can still be made quickly by hand.
motor

2025 GASGAS MC 300 ELECTRONIC FUEL INJECTION (EFI)

The motor that does it all! It doesn't matter if you short shift or hang onto every gear, the revitalized MC 300 motor, with added fuel injection, separates this bike ever further from the competition with it's delivery of usable torque down low and high-revving peak power up top. And it's those who ride wide open that will benefit the most from the counter balancer shaft inside the motor as it keeps vibration to an absolute minimum.

2025 GASGAS MC 300 CRANKSHAFT

The magic at the heart of the motor and its low weight means one thing - it revs fast! It's also perfectly balanced for minimal vibration and positioned to have the least amount of effect on overall handling.

2025 GASGAS MC 300 EXHAUST SYSTEM

Designed and developed to be slim using an innovative manufacturing process, the exhaust system complies with FIM sound regulations, looks awesome, and most importantly, delivers the very best performance! The header pipe is shaped for maximum ground clearance and is fitted to a muffler that features a clever internal construction to keep noise to a minimum without sacrificing power. 

2025 GASGAS MC 300DIAPHRAGM STEEL (DS) CLUTCH

Inside the MC 300 motor you'll find a robust and super reliable Damped Diaphragm Steel (DDS) clutch housed inside a CNC machined steel basket. This style of clutch does away with traditional coil springs and instead, there's a single diaphragm steel pressure plate and a damping system which helps get the power to the ground.
parts

2025 GASGAS MC 300 HYDRAULIC BRAKES

Fast is fun but slowing down is essential, which is why all GASGAS dirt bikes are fitted with high quality Braktec calipers and controls. Speaking of controls, the rear brake pedal is now considerably stronger to prevent it from getting bent out of shape in a crash or catching the ground when you're railing through a deep rut. When you combine those Braktec calipers with GASGAS specific brake disks, 260mm up front and 220mm at the rear, the end result is amazing braking performance. This all means that all riders can stay on the gas longer and brake later into corners. And we all know what that leads to... faster lap times!

2025 GASGAS MC 300 HYDRAULIC CLUTCH

No need for adjustment and offering a near maintenance-free operation, the best thing about the Braktec hydraulic clutch is that it provides consistent action. With free-play at the redesigned lever automatically adjusted, the biting point and function of the clutch remain constant no matter whether the motor is started from cold or used during the heat of a battle.

2025 GASGAS MC 300 WHEELS

Built to take a beating, our wheels are ready to play rough. No matter how heavy the landing or how rough the track is, the silver, CNC machined hubs, lightweight spokes, and high-strength EXCEL rims deliver maximum strength for complete peace of mind. 

2025 GASGAS MC 300RADIATORS

Keeping the motor cool are a set of strong aluminum radiators, which channel the air through them in the most effective way possible. A large centre tube within the frame is used to reduce the number of hoses needed and ensures a consistent flow of coolant around the engine - just what you need when you're in the heat of a battle!
electronics

2025 GASGAS MC 300 ENGINE MANAGEMENT SYSTEM (EMS)

Small, light, and fast at processing data - just what you need from an engine management system! The Vitesco Technologies component is the best in the business and includes a rollover sensor that cuts the ignition during big crashes, as well as feeding information to the hour meter.

2025 GASGAS MC 300 MAP SELECT SWITCH

Installing the Map Select Switch from the GASGAS Technical Accessories range really makes the MC 300 sing! It offers a choice of two maps, and they're both awesome. The first - Map 1 - delivers classic, ripping 300cc 2-stroke power, which all riders know and love. But with the second map activated - Map 2 - throttle response is even sharper and more explosive! Perfect for those who ride sand tracks on a regular basis.

2025 GASGAS MC 300 THROTTLE BODY

The MC 300 uses a 39mm Keihin throttle body with its injectors positioned to ensure the most efficient flow of fuel mixture into the combustion chamber. But what's most important to all riders is the fact that the direct cable mounting design ensures instant throttle response.

2025 GASGAS MC 300ELECTRIC STARTER

The best invention since the wheel! With an electric starter fitted, this GASGAS starts super easily every single time you hit that start button. And to simplify things further and save space on the bars, the engine stop button is located in the same housing as the start button. Using a Li-Ion battery, which weighs approx. 1kg less than a conventional lead battery, you get the convenience of electric starting while the overall bike weight is kept to a minimum. It's a win, win for everyone!
engine technical details
EMS
Vitesco Technologies EMS
BORE
72 mm
CLUTCH
DDS wet multi-disc clutch, Braktec hydraulics
DESIGN
1-cylinder, 2-stroke engine
STROKE
72 mm
COOLING
Liquid cooled
STARTER
Electric starter
DISPLACEMENT
293.2 cm³
TRANSMISSION
5-speed
BATTERY CAPACITY
2 Ah
FUEL-MIXTURE GENERATION
Keihin EFI, throttle body 39 mm
chassis technical details
CHAIN
520, Non-sealed
WHEELS
Spoked wheels with aluminium rims
SILENCER
Aluminium
HANDLEBAR
Neken, aluminium Ø 28/22 mm
WHEELBASE
1493 mm
SEAT HEIGHT
956 mm
FRAME DESIGN
Central double-cradle-type 25CrMo4 steel
REAR SUSPENSION
WP XACT Monoshock with linkage
FRONT SUSPENSION
WP XACT-USD (AER), Ø 48 mm
GROUND CLEARANCE
354 mm
STEERING HEAD ANGLE
63.9 °
REAR SUBFRAME DESIGN
Aluminium
WEIGHT (WITHOUT FUEL)
99.8 kg
TANK CAPACITY (APPROX.)
7.9 l
REAR BRAKE DISC DIAMETER
220 mm
SUSPENSION TRAVEL (REAR)
300 mm
FRONT BRAKE DISC DIAMETER
260 mm
SUSPENSION TRAVEL (FRONT)
310 mm
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