GAS GAS Gas Txt Racing 125 - 2026 Specifications and Reviews

The GAS GAS TXT Racing 125 is a competition-focused trial motorcycle designed for intermediate to advanced riders seeking precision handling and technical performance. Its lightweight 124.8cc two-stroke engine delivers responsive power ideal for navigating challenging terrain and competitive trial events. Known for its agile maneuverability and proven trial heritage, this machine excels in technical riding disciplines.

2026
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General information

Color OptionsRed/white/black
CategoryTrial
Year2025

Engine and Transmission Specifications

StartingKick
ClutchBRAKTEC hydraulics - diaphragm GG 1/3
Final DriveChain (final drive)
Gearbox6-speed
Cooling SystemLiquid
IgnitionHidria ECU
InductionCarburettor. Keihin PWK 28
Bore x Stroke54.0 x 54.5 mm (2.1 x 2.1 inches)
Compression Ratio11.8:1
Engine DetailsReed valve
Engine TypeSingle cylinder, two-stroke
Capacity:124.8 ccm (7.62 cubic inches)
 
 

Physical measures and capacities

Fuel Capacity2.40 litres (0.63 US gallons)
Wheelbase1320 mm (52.0 inches)
Ground Clearance325 mm (12.8 inches)
Overall Width825 mm (32.5 inches)
Overall Length2010 mm (79.1 inches)
Overall Height1130 mm (44.5 inches)
Seat Height630 mm (24.8 inches) If adjustable, lowest setting.
Dry Weight66.7 kg (147.0 pounds)

GAS GAS Gas Txt Racing 125 dimensions and frame

WheelsSpoked wheels with aluminium rims
Rear BrakesSingle disc. 2-piston caliper
Brake Disc Diameter150 mm (5.9 inches)
Front BrakesSingle disc. 4-piston caliper
Rear Wheel Travel174 mm (6.9 inches)
Rear SuspensionTECH hydraulic damper with linkage, 2-way adjustable
Front Wheel Travel160 mm (6.3 inches)
Front SuspensionTECH aluminium bar 39
Frame25CrMo4 steel central-tube

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Chain size520
Update specsReport missing specs or required updates.
CommentsSpanish made bike.
Rake (fork angle)23.0°
Exhaust systemAluminium
Motorcycle nameGAS GAS TXT Racing 125

Performance Profile & Rider Fit

Best For

Track10%
City15%
Cornering60%
Daily Riding10%
Touring5%
Passenger0%

Rider Profile

Best ForThis is a specialist competition trials machine best suited to riders who already have off-road balance skills or are committed to learning technical trials riding from the ground up.
PurposeBuilt purely for competitive and recreational trials riding, tackling rocks, logs, steps and tight technical sections at very low speeds rather than for any kind of conventional riding.
Rider FitIts extremely light dry weight and low seat height make it very manageable for standing, balancing and maneuvering, though trials riding itself demands strong core strength, balance and stamina.
CharacterA featherweight, highly responsive two-stroke trials tool with razor-sharp steering geometry and a peaky powerband tuned for control rather than outright speed.
Not Ideal ForThis bike is not suitable for highway riding, commuting, carrying passengers, or anyone wanting comfort, storage, or sustained speed.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Reviews

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