2007 GAS GAS MC 125 Technical Analysis & Specification Breakdown
Engineered by GAS GAS for the cross - motocross motorcycle segment, the 2007 GAS GAS MC 125 pairs a 124 cc (7.6 cu in) single cylinder, two-stroke architecture with road-focused gearing. Internal engine geometry specifies a bore and stroke of 54.0 x 54.5 mm (2.1 x 2.1 inches).
On the scales, the MC 125 measures 92 kg (203 lbs) dry. Rider ergonomics and chassis geometry center around a 940 mm (37 in) seat height — reflecting a long-travel chassis stance that favors ground clearance and off-pavement control, combined with a 1,475 mm (58.1 in) wheelbase engineered for balanced agility and highway composure. The 9.5-liter (2.5 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Within MotoLibrary's GAS GAS archive, this model family spans 8 indexed model years from 2004 to 2025, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Standover Height
940 mm (37 in)
Engine
Displacement124.0 ccm (7.57 cubic inches)
Engine TypeSingle cylinder, two-stroke
Engine DetailsSingle cylinder, two-stroke
Bore x Stroke54.0 x 54.5 mm (2.1 x 2.1 inches)
Fuel SystemCarburettor. Keihin PWK 38mm
IgnitionKokusan digital CDI Multispark
Transmission
Gearbox6-speed
ClutchHydraulic multi-disc
Chassis
Front Suspension45 mm upside-down Marzocchi or ¿–hlins, 295 mm travel
Front Travel295 mm (11.6 inches)
Rear SuspensionOne-piece aluminium swing arm, progressives system with ¿–hlins, shock absorber, 320 mm travel
Rear Travel320 mm (12.6 inches)
Wheelbase1475 mm (58.1 inches)
Ground Clearance340 mm (13.4 inches)
Wheels & Brakes
Front Tyre90/90-21
Rear Tyre120/90-18
Front BrakesSingle disc. with 1-piston calipers
Front Brake Ø260 mm (10.2 inches)
Rear BrakesSingle disc. with 1-piston calipers
Rear Brake Ø220 mm (8.7 inches)
Dimensions & Weight
Dry Weight92.0 kg (202.8 pounds)
Seat Height940 mm (37.0 inches) If adjustable, lowest setting.
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
