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MC 125 2025
Product #MC125-2025
There really is nothing quite like the sound of a 125cc 2-stroke ripping around a motocross track! Sitting at the top of the small-bore pre-mix class with its strong motor, close ratio 6-speed gearbox, plush WP suspension, and razor sharp handling, our MC 125 is ready to shred!
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Get ready to rev up and ride! The 2025 GASGAS MC 125 is here, bringing all the fun, high-revving performance, and lightweight agility you could want from a 125cc 2-stroke motocross bike. Designed for riders who love to keep the throttle wide open, this dirt bike is packed with modern technology, including an electric starter and electronic fuel injection, making it easier than ever to get out and ride.
The MC 125's engine is a masterpiece of performance engineering. With a displacement of 124.8 cm³, it delivers a punchy powerband that’s perfect for aggressive riding. The electronic fuel injection ensures crisp throttle response and efficient fuel delivery, while the 6-speed transmission allows for precise gear changes. Best of all, the electric starter means no more kicking—just push a button and go!
Built around a lightweight and durable chromium-molybdenum steel frame, the MC 125 offers incredible handling and stability. WP XACT suspension, featuring a 48 mm USD front fork and a fully adjustable monoshock at the rear, provides superior comfort and control over rough terrain. The high-performance braking system, with a 260 mm front disc and a 220 mm rear disc, ensures confident stopping power in all conditions.
From its bold GASGAS styling to its top-tier components, the 2025 MC 125 is a bike built to dominate the track. With a dry weight of just 92.8 kg and a perfectly balanced chassis, this motocross machine delivers the ultimate combination of speed, agility, and control. Whether you're a competitive racer or just looking to have fun, the MC 125 is ready to take you to the next level.
Key Features:
- 125cc 2-stroke engine with EFI for smooth and responsive power
- Electric starter for easy and reliable ignition
- Lightweight steel frame for optimal handling and strength
- WP XACT suspension for race-proven performance
- High-performance disc brakes for precise stopping power
- Sleek, race-inspired GASGAS styling
Technical Specifications:
-
Engine:
- Type: 1-cylinder, 2-stroke
- Displacement: 124.8 cm³
- Bore x Stroke: 54 mm x 54.5 mm
- Transmission: 6-speed
- Starter: Electric
- Cooling: Liquid cooled
- Fuel System: Keihin EFI, 39 mm throttle body
- Clutch: DS wet multi-disc, Braktec hydraulics
- Engine Management System: Vitesco Technologies EMS
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Chassis:
- Frame: Central double-cradle-type 25CrMo4 steel
- Front Suspension: WP XACT-USD (AER), Ø 48 mm
- Rear Suspension: WP XACT Monoshock with linkage
- Front Suspension Travel: 310 mm
- Rear Suspension Travel: 300 mm
- Front Brake: 260 mm disc
- Rear Brake: 220 mm disc
- Ground Clearance: 354 mm
- Seat Height: 956 mm
- Wheelbase: 1493 mm
- Fuel Tank Capacity: 7.9 liters
- Weight (without fuel): 92.8 kg
- Handlebar: Neken, aluminum Ø 28/22 mm
- Chain: 520, non-sealed
- Silencer: Aluminum
- Rear Subframe: Aluminum
- Steering Head Angle: 63.9°
- Wheels: Spoked with aluminum rims
Turn up the throttle and let loose—the 2025 GASGAS MC 125 is built for riders who crave adrenaline and excitement on the track!
Data sheet
- Engine Size
- 125
- Product Type
- Bike
- Bike Make
- GAS GAS

There really is nothing quite like the sound of a 125cc 2-stroke ripping around a motocross track! Sitting at the top of the small-bore pre-mix class with its strong motor, close ratio 6-speed gearbox, plush WP suspension, and razor sharp handling, our MC 125 is ready to shred!