GAS GAS TXT Racing 250 E4 - Specifications & Review

TXT Racing 250 E4

Article Complete Info

Articleid746054
CategoryTrial
MakeGAS GAS
ModelTXT Racing 250 E4
Year2017

Chassis, Suspension, Brakes & Wheels

FrametypeChrom-Molybdenum tubular frame
FrontbrakesSingle disc. Floating discs. Four-piston calipers.
Frontbrakesdiameter185 mm (7.3 inches)
FrontsuspensionTECH with aluminium bar Ø 39
Fronttyre2.75-21
Frontwheeltravel180 mm (7.1 inches)
RearbrakesSingle disc. Two-piston calipers.
Rearbrakesdiameter150 mm (5.9 inches)
RearsuspensionReiger hydraulic mono shock absorber (2 ways). Rebound and spring pre-load ajustable.
Reartyre4.00-18
Rearwheeltravel164 mm (6.5 inches)
WheelsMichelin Trial X11 tyres

Engine & Transmission

Borexstroke72.5 x 60.0 mm (2.9 x 2.4 inches)
ClutchGG 1/3 hydraulic-diaphragm-system
CoolingsystemLiquid
Displacement247.70 ccm (15.11 cubic inches)
EnginedetailsSingle cylinder, two-stroke
EnginetypeReed valve
FuelsystemCarburettor. Keihin PWK 28
Gearbox6-speed
Lubricationsystem2-stroke-oil/fuel mixed 1:50
TransmissiontypefinaldriveChain

Other Specifications

ColoroptionsRed/white/black
CommentsSpanish made bike.
StarterKick

Physical Measures & Capacities

Dryweight67.5 kg (148.8 pounds)
Fuelcapacity2.50 litres (0.66 gallons)
Overallheight1,130 mm (44.5 inches)
Overalllength2,010 mm (79.1 inches)
Overallwidth825 mm (32.5 inches)
Seatheight650 mm (25.6 inches) If adjustable, lowest setting.

About GAS GAS

Country of Origin: Spain
Founder: Narcís Casas & Josep Pibernat
Best Known For: World-class trials bikes and competitive enduro/motocross machines; later KTM Group era

Company History

GASGAS was born in Catalonia’s trials heartland in the 1980s, when dealers Narcís Casas and Josep Pibernat turned their experience supporting riders into a purpose-built brand for observed trials. The early TXT models balanced featherweight agility with tractable torque, letting riders hop, pivot, and climb with uncanny control. Success in trials bled into enduro and later motocross, where two-strokes like the EC series earned reputations for crisp response and neutral handling on tight Iberian terrain. Financial turbulence in the mid-2010s led to restructuring, and in 2019 the KTM Group acquired and relaunched GASGAS globally. Under the red livery, modern GASGAS enduro, MX, and cross-country machines share core platforms with Austrian cousins but retain their own setup philosophy and playful brand voice. Trials remains a pillar, with competition-proven bikes that continue Spain’s dominance. The rally program—including Dakar entries—underscored the new era’s ambition. Historically, GASGAS represents the Catalan craft of light, communicative chassis that reward technique, and the brand’s second life shows how heritage and scale can coexist: a boutique trials specialist that grew into a full-line off-road contender without losing the fun, free-riding personality that made it famous.

Other Years

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