14 August. Friday 2026
GAS GAS Gas Txt Racing 125 - 2025 Specifications and Reviews
The GAS GAS Txt Racing 125 is a lightweight trials bike designed for competitive and recreational riders seeking precision handling in technical terrain. Known for its nimble maneuverability and advanced suspension geometry, it excels in rocky and challenging environments where low weight and responsive control are essential. The 125cc powerplant delivers adequate torque for trials riding while maintaining the bike's exceptional agility.
2025
General information | |
| Color Options | Red/white/black |
| Category | Trial |
| Year | 2025 |
| | |
Engine and Transmission Specifications | |
| Starting | Kick |
| Clutch | BRAKTEC hydraulics - diaphragm GG 1/3 |
| Final Drive | Chain (final drive) |
| Gearbox | 6-speed |
| Cooling System | Liquid |
| Ignition | Hidria ECU |
| Induction | Carburettor. Keihin PWK 28 |
| Bore x Stroke | 54.0 x 54.5 mm (2.1 x 2.1 inches) |
| Compression Ratio | 11.8:1 |
| Engine Details | Reed valve |
| Engine Type | Single cylinder, two-stroke |
| Capacity: | 124.8 ccm (7.62 cubic inches) |
Physical measures and capacities | |
| Fuel Capacity | 2.40 litres (0.63 US gallons) |
| Wheelbase | 1320 mm (52.0 inches) |
| Ground Clearance | 325 mm (12.8 inches) |
| Overall Width | 825 mm (32.5 inches) |
| Overall Length | 2010 mm (79.1 inches) |
| Overall Height | 1130 mm (44.5 inches) |
| Seat Height | 630 mm (24.8 inches) If adjustable, lowest setting. |
| Dry Weight | 66.7 kg (147.0 pounds) |
GAS GAS Gas Txt Racing 125 dimensions and frame | |
| Wheels | Spoked wheels with aluminium rims |
| Rear Brakes | Single disc. 2-piston caliper |
| Brake Disc Diameter | 150 mm (5.9 inches) |
| Front Brakes | Single disc. 4-piston caliper |
| Rear Wheel Travel | 174 mm (6.9 inches) |
| Rear Suspension | TECH hydraulic damper with linkage, 2-way adjustable |
| Front Wheel Travel | 160 mm (6.3 inches) |
| Front Suspension | TECH aluminium bar 39 |
| Frame | 25CrMo4 steel central-tube |
| | |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Chain size | 520 |
| Update specs | Report missing specs or required updates. |
| Comments | Spanish made bike. |
| Rake (fork angle) | 23.0° |
| Exhaust system | Aluminium |
| Motorcycle name | GAS GAS TXT Racing 125 |
Performance Profile & Rider Fit
Best For
Track10%
City15%
Cornering60%
Daily Riding10%
Touring5%
Passenger0%
Rider Profile
| Best For | This 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. |
| Purpose | Built 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 Fit | Its 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. |
| Character | A 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 For | This 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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