17 May. Sunday 2026
Gas Mc 125 - 2025 Specifications and Reviews
The 2025 GAS GAS MC 125 is a lightweight 124.8cc two-stroke motocross bike designed for young riders and beginners entering competitive off-road racing. Featuring a 40 horsepower liquid-cooled engine with modern Keihin fuel injection and a six-speed transmission, it delivers responsive power delivery ideal for developing riding skills. Known for its agile handling and affordable entry into serious motocross competition, the MC 125 combines proven performance with reliability.
2025
General information | |
| Color Options | Red/black |
| Price | US$ 7599. MSRP depends on country, taxes, accessories, etc. |
| Category | Cross / motocross |
| Model | GAS GAS MC 125 |
| | |
Engine and Transmission Specifications | |
| Starting | Electric |
| Clutch | DS wet multi-disc clutch, Braktec hydraulics |
| Final Drive | Chain (final drive) |
| Gearbox | 6-speed |
| Cooling System | Liquid |
| Ignition | Vitesco Technologies EMS |
| Induction | Injection. Keihin EFI, throttle body 39 mm |
| Bore x Stroke | 54.0 x 54.5 mm (2.1 x 2.1 inches) |
| Engine Type | Single cylinder, two-stroke |
| Capacity | 124.8 ccm (7.62 cubic inches) |
| | |
Physical measures and capacities | |
| Wheelbase | 1493 mm (58.8 inches) |
| Ground Clearance | 354 mm (13.9 inches) |
| Seat Height | 956 mm (37.6 inches) If adjustable, lowest setting. |
| Power/Weight Ratio | 0.4310 HP/kg |
| Dry Weight | 92.8 kg (204.6 pounds) |
Gas Mc 125 dimensions and frame | |
| Wheels | Spoked wheels with aluminium rims. Maxxis Maxx Cross MX-ST tires. |
| Rear Brakes | Single disc |
| Brake Disc Diameter | 220 mm (8.7 inches) |
| Front Brakes | Single disc |
| 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 (AER), 48 mm |
| Frame | Central double-cradle-type 25CrMo4 steel. |
Other specs | |
| Related bikes | List related bikes for comparison of specs. |
| Ask questions | Join the 25 GAS GAS MC 125 discussion group or the general GAS GAS discussion group. |
| Maintenance | Find parts, fluids. filters, maintenance tools and service manuals at Amazon.com. |
| Insurance costs | Compare US insurance quotes from the nation's top providers. |
| Update specs | Report missing specs or required updates. |
| Electrical | 2 Ah battery. |
| Rake (fork angle) | 26.1° |
| Driveline | 520, Non-sealed chain |
| Output | 40.0 HP (29.2 kW)) |
| Year of manufacture | 2025 |
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