2011 GAS GAS TXT 250 Pro Technical Analysis & Specification Breakdown
Engineered by GAS GAS for the trial motorcycle segment, the 2011 GAS GAS TXT 250 Pro pairs a 248 cc (15.1 cu in) liquid-cooled single cylinder, two-stroke architecture with road-focused gearing. Internal engine geometry specifies a bore and stroke of 72.5 x 60.0 mm (2.9 x 2.4 inches).
On the scales, the TXT 250 Pro measures 67 kg (148 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 1,335 mm (52.6 in) wheelbase engineered for quick, flickable steering geometry. The 2.5-liter (0.7 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Within MotoLibrary's GAS GAS archive, this model family spans 3 indexed model years from 2008 to 2011, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Standover Height
665 mm (26.2 in)
Engine
Displacement248.0 ccm (15.13 cubic inches)
Engine TypeSingle cylinder, two-stroke
Engine DetailsSingle cylinder, two-stroke
Bore x Stroke72.5 x 60.0 mm (2.9 x 2.4 inches)
Fuel SystemCarburettor. Dell´Orto PHBL26BS - Intake by reed valve
IgnitionCDI
Lubrication2.5 % Mixture
CoolingLiquid
Transmission
Gearbox6-speed
Final DriveChain (final drive)
ClutchGG 1/3 hydraulic-diaphragm-system
Chassis
Frame TypeTubular CR-Mo
Front SuspensionMarzocchi 40 mm Aluminium Right-Sight-Up. Adjustable compression and rebound
Front Travel177 mm (7.0 inches)
Rear SuspensionSachs hydraulic mono shock absorber. Adjustable rebound and spring preload.
Rear Travel150 mm (5.9 inches)
Wheelbase1335 mm (52.6 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)
WheelsLight aluminium spoke rim
Dimensions & Weight
Dry Weight67.0 kg (147.7 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.
