| Attribute | Value |
| General |
| Production from | 2012 year |
| Make | GAS GAS |
| Model | GAS GAS TXT 300 Pro Racing |
| Category | Trial |
| Engine and transmission |
| Engine type | Single cylinder, two-stroke |
| Valves per cylinder | Add |
| Fuel system | Carburettor. Keihin PWK 28 - Intake by reed valve |
| Engine details | Add |
| Displacement | 294.1 cm³ |
| Power | Add |
| Max RPM | Add |
| Fuel consumption | Add |
| Cooling system | Liquid |
| Transmission type,final drive | Chain |
| Torque | Add |
| Bore | 79 mm |
| Stroke | 60 mm |
| Gearbox | 6-speed |
| Greenhouse gases | Add |
| Fuel control | Single Overhead Cams (SOHC) |
| Emission details | Add |
| Driveline | Add |
| Ignition | CDI |
| Clutch | GG 1/3 hydraulic-diaphragm-system |
| Lubrication system | 2.5 % Mixture |
| Compression | Add |
| Exhaust system | Add |
| Chassis |
| Front suspension | Marzocchi 40 mm Aluminium Right-Sight-Up. |
| Rear suspension | Reiger (2-way) hydraulic mono shock absorber |
| Front brakes | Single disc. Floating, 4-piston caliper |
| Rear brakes | Single disc. 2-piston caliper |
| Diameter | 150 mm |
| Frame type | CrMo |
| Front tyre | 2.75-21 |
| Rear tyre | 4.00-18 |
| Seat | Add |
| Wheels | Light aluminium spoke rim |
| Front wheel travel | 177 mm |
| Rear wheel travel | 164 mm |
| Trail | Add |
| Rake (fork angle) | Add |
| Other |
| Battery capacity | Add |
| Starter | Kick |
| Color options | |
| Carrying capacity | Add |
| Light | Add |
| Instruments | Add |
| Electrical Voltage | Add |
| Dimensions |
| Wheelbase | 1,340 mm |
| Kerb weight | Add |
| Dry weight | 66 kg |
| Power/weight ratio | Add |
| Overall height | 1,130 mm |
| Overall length | 2,045 mm |
| Overall width | Add |
| Seat height | 650 mm |
| Alternate seat height | Add |
| Ground clearance | Add |
| Front percentage of weight | Add |
| Rear percentage of weight | Add |
| Performance |
| Top speed | Add |
| Acceleration 0-100 km/h | Add |
| Length | Add |
| Reserve fuel capacity | Add |
| Fuel capacity | 2.5 l |
| Oil capacity | Add |
| Width | Add |
| Height | Add |