GAS GAS MC 125 - 2024 Specifications and Reviews

The 2024 GAS GAS MC 250 is a lightweight two-stroke motocross machine built for competitive riders and ambitious amateurs seeking sharp handling and responsive power delivery. Its aggressive 249cc single-cylinder engine and nimble steel frame make it ideal for technical terrain and race-oriented training. Purpose-built for cross and motocross competition, it delivers the precision and durability expected from a modern factory works-style contender.

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General information

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CategoryCross / motocross
Model year2024
ModelGAS GAS MC 250
 
 

Engine and Transmission Specifications

DrivelineX-Ring chain 5/8 x 1/4´
ClutchWet, DDS multi-disc clutch, Brembo hydraulics
Transmission typeChain (final drive)
Gearbox5-speed
Lubrication systemFuel mixture
IgnitionKokusan EMS
Fuel systemCarburettor. Mikuni TMX
Bore x stroke66.4 x 72.0 mm (2.6 x 2.8 inches)
Engine typeSingle cylinder, two-stroke
Capacity:249.0 ccm (15.19 cubic inches)
 
 

Brakes, suspension, Frame and wheels

WheelsWire spoked
Rear brakesSingle disc
Diameter260 mm (10.2 inches)
Front brakesSingle disc
Rear wheel travel300 mm (11.8 inches)
Rear suspensionWP XACT Monoshock with linkage
Front wheel travel310 mm (12.2 inches)
Front suspensionWP XACT-USD, Ø 48 mm
Frame typeCentral double-cradle-type 25CrMo4 steel

Physical measures and capacities

Fuel capacity7.50 litres (1.98 US gallons)
Wheelbase1475 mm (58.1 inches)
Ground clearance375 mm (14.8 inches)
Seat height950 mm (37.4 inches) If adjustable, lowest setting.
Dry weight95.5 kg (210.5 pounds)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
StarterKick
Color optionsRed/white

Performance Profile & Rider Fit

Best For

Track90%
City5%
Cornering85%
Daily Riding5%
Touring8%
Passenger0%

Rider Profile

Best ForThis bike suits experienced off-road riders who are comfortable with an aggressive, race-bred two-stroke motocross machine.
PurposeBuilt purely for closed-course motocross racing and serious off-road competition, not for general transportation.
Rider FitIts tall seat height, kick starter, and lightweight but demanding two-stroke power delivery require good fitness, strength, and riding technique.
CharacterA raw, lightweight, high-revving two-stroke racer that rewards aggressive riding with sharp agility and explosive acceleration on the track.
Not Ideal ForThis is not the right bike for commuting, touring, carrying a passenger, or riders seeking comfort and ease of use.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2024 GAS GAS MC 125 Rider Ergonomics Assessment

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Feet:

At 950mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2024 GAS GAS MC 125, with a cramped knee angle of around 85 degrees and an upright riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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