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Technical Overview
2009 GAS GAS TXT 125 Technical Analysis & Specification Breakdown
Built around GAS GAS's trial motorcycle platform, the 2009 GAS GAS TXT 125 utilizes a 124.8 cc (7.6 cu in) single cylinder, two-stroke layout. 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 TXT 125 measures 66 kg (146 lbs) dry. Rider ergonomics and chassis geometry center around a 665 mm (26.2 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops, combined with a 1,330 mm (52.4 in) wheelbase engineered for quick, flickable steering geometry. The 3.1-liter (0.8 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Standover Height
665 mm (26.2 in)
Engine
Displacement124.8 ccm (7.62 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. 26 mm
IgnitionCDI
Transmission
Gearbox6-speed
Final DriveChain (final drive)
ClutchMultidisk hydraulic wet clutch
Chassis
Frame TypeTubular Cr-Mo
Front Suspension40 mm adjustable telehydraulic fork
Rear SuspensionVariable progressivity system, single shock
Wheelbase1330 mm (52.4 inches)
Wheels & Brakes
Front Tyre2.75-21
Rear Tyre4.00-18
Front BrakesSingle disc
Front Brake Ø185 mm (7.3 inches)
Rear BrakesSingle disc
Rear Brake Ø150 mm (5.9 inches)
Dimensions & Weight
Dry Weight66.0 kg (145.5 pounds)
Seat Height665 mm (26.2 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.
