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Technical Overview
2018 GAS GAS TXT 250 Racing E4 Technical Analysis & Specification Breakdown
Engineered by GAS GAS for the trial motorcycle segment, the 2018 GAS GAS TXT 250 Racing E4 utilizes a 247.7 cc (15.1 cu in) liquid-cooled single cylinder, two-stroke layout. 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 Racing E4 measures 67.5 kg (149 lbs) dry. Rider ergonomics and chassis geometry center around a 650 mm (25.6 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops, combined with a 1,320 mm (52 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.
Standover Height
650 mm (25.6 in)
Engine
Displacement247.7 ccm (15.11 cubic inches)
Engine TypeSingle cylinder, two-stroke
Engine DetailsReed valve
Bore x Stroke72.5 x 60.0 mm (2.9 x 2.4 inches)
Fuel SystemCarburettor
Lubrication2-stroke-oil/fuel mixed 1:50
CoolingLiquid
Transmission
Gearbox6-speed
Final DriveChain (final drive)
ClutchGG 1/3 hydraulic-diaphragm-system
Chassis
Frame TypeChrom-Molybdenum tubular frame
Front SuspensionTECH with aluminium bar Ø 39. Rebound, compression, end stroke and spring preload regulation.
Front Travel180 mm (7.1 inches)
Rear SuspensionÖHLINS hydraulic mono shock absorber (2 ways). Rebound and spring pre-load ajustable.
Rear Travel167 mm (6.6 inches)
Wheelbase1320 mm (52.0 inches)
Wheels & Brakes
Front Tyre2.75-21
Rear Tyre4.00-18
Front BrakesSingle disc. Floating discs. Four-pistons BRAKTEC caliper.
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.
