These are the known mechanical and performance specifications for your 2014 GAS GAS TXT Econo 280.
Basic Specs

Engine
Displacement272.20 ccm (16.61 cubic inches)
Type
DetailsSingle cylinder, two-stroke
Max RPM
Compression
Bore/Stroke76.0 x 60.0 mm (3.0 x 2.4 inches)
Valves/Cylinder
FuelingCarburettor. Dell´Orto
IgnitionCDI digital magnetic flywheel
Exhaust
Lubrication
CoolingLiquid
Drivetrain
Gearbox6-speed
Final DriveChain
ClutchMultidisc, hydraulically-operated
Driveline
Fuel Economy & Polution
Fuel Consumption
Fuel Capacity2.50 litres (0.66 gallons)
Emissions
Chassis
Frame Type
Rake
Trail
Front SuspensionOlle 40 mm Aluminium Right-Sight-Up
Front Travel177 mm (7.0 inches)
Rear SuspensionProgressive linkage system. Olle hydraulic mono shock absorber
Rear Travel164 mm (6.5 inches)
Seat
Seat Height650 mm (25.6 inches) If adjustable, lowest setting.
Alt. Seat Height
Total Height1,130 mm (44.5 inches)
Total Length2,045 mm (80.5 inches)
Total Width
Ground Clearance
Wheelbase1,340 mm (52.8 inches)
Dry Weight
Wet Weight
Wheels & Brakes
Front Tire/Tyre2.75-21
Rear Tire/Tyre4.00-18
Front BrakesSingle disc. Floating disk, 4-piston caliper
Front Brake Diameter185 mm (7.3 inches)
Rear BrakesSingle disc. 2-piston caliper
Rear Brake Diameter150 mm (5.9 inches)
Wheels
Comments
Made in Spain.