14 August. Friday 2026
GAS GAS TXT Racing 250 E4 - 2017 Specifications and Reviews
The 2017 GAS GAS TXT Racing 250 E4 is a lightweight Spanish trial motorcycle engineered for skilled competitors seeking precision and control. Its compact dimensions, low 650mm seat height, and minimal 67.5kg weight make it ideal for technical terrain navigation. Known for exceptional maneuverability and responsive handling, it excels in competitive trial events.
2017
General information | |
| Category | Trial |
| Year | 2017 |
| Model | GAS GAS TXT Racing 250 E4 |
Engine and Transmission Specifications | |
| Clutch | GG 1/3 hydraulic-diaphragm-system |
| Transmission type,final drive | Chain |
| Gearbox | 6-speed |
| Cooling system | Liquid |
| Lubrication system | 2-stroke-oil/fuel mixed 1:50 |
| Fuel system | Carburettor. Keihin PWK 28 |
| Bore x Stroke | 72.5 x 60.0 mm (2.9 x 2.4 inches) |
| Engine details | Reed valve |
| Engine type | Single cylinder, two-stroke |
| Capacity: | 247.70 ccm (15.11 cubic inches) |
| | |
Brakes, suspension, Frame and wheels | |
| Wheels | Michelin Trial X11 tyres |
| Rear brakes diameter | 150 mm (5.9 inches) |
| Rear brakes | Single disc. Two-piston calipers. |
| Front brakes diameter | 185 mm (7.3 inches) |
| Front brakes | Single disc. Floating discs. Four-piston calipers. |
| Rear tyre | 4.00-18 |
| Front tyre | 2.75-21 |
| Rear wheel travel | 164 mm (6.5 inches) |
| Rear Suspension | Reiger hydraulic mono shock absorber (2 ways). Rebound and spring pre-load ajustable. |
| Front wheel travel | 180 mm (7.1 inches) |
| Front Suspension | TECH with aluminium bar Ø 39 |
| Frame type | Chrom-Molybdenum tubular frame |
Physical measures and capacities | |
| Fuel capacity | 2.50 litres (0.66 gallons) |
| Wheelbase | 1,320 mm (52.0 inches) |
| Overall width | 825 mm (32.5 inches) |
| Overall length | 2,010 mm (79.1 inches) |
| Overall height | 1,130 mm (44.5 inches) |
| Seat height | 650 mm (25.6 inches) If adjustable, lowest setting. |
| Dry weight | 67.5 kg (148.8 pounds) |
| | |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Comments | Spanish made bike. |
| Starter | Kick |
| Color options | Red/white/black |
Performance Profile & Rider Fit
Best For
Track10%
City5%
Cornering90%
Daily Riding5%
Touring5%
Passenger0%
Rider Profile
| Best For | This is a pure competition trial machine built for skilled riders who already have balance, clutch control, and standing-riding technique dialed in. |
| Purpose | It exists solely to tackle technical obstacle-based trial sections, not to travel distance or carry speed. |
| Rider Fit | Extremely light dry weight and a tall, narrow seatless-standing riding position demand strong legs, core balance, and stamina rather than raw strength. |
| Character | Nimble, featherweight, and razor-responsive, it rewards precise throttle and clutch inputs with pinpoint low-speed control over rocks, logs, and steep technical terrain. |
| Not Ideal For | This bike is not suitable for anyone wanting a comfortable seat, highway capability, luggage capacity, or a passenger. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
Rider Reviews
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