2026 GasGas Trials

Next-level offroad enjoyment

2026 GasGas Trials

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GASGAS TXT GP 250 2025

Next-level offroad enjoyment

RRP: £7,399.00
  • As trial bikes go, nothing compares to the TXT GP 250. The perfect balance of usable 2-stroke torque and nimble handling, it guarantees day-long fun. Revving up to 10,500rpm, the 250cc motor is so easy to ride thanks to its strong but manageable power delivery. In its element on tough, technical terrain, the class-leading suspension, selectable engine maps, as well as a BRAKTEC clutch and BRAKTEC brakes, ensure non-stop action from the moment the bike is fired into life. Nail those sections with ease with the TXT GP 250.
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Tech Specs

Engine

  • Design: Single-cylinder, 2-stroke engine
  • Displacement: 247.7 cm³
  • Bore × Stroke: 72.5 × 60 mm
  • Cooling: Liquid cooling & fan motor
  • Clutch: BRAKTEC hydraulics – diaphragm GG 1/3
  • Compression Ratio: 11:1
  • Transmission: 6-speed
  • Starter: Kickstarter
  • EMS: HIDRIA ECU
  • Fuel-Mixture Generation: Keihin PWK 28

Chassis

  • Frame Design: 25CrMo4 steel central-tube frame
  • Weight (without fuel): 67.9 kg
  • Tank Capacity: 2.4 L
  • Wheelbase: 1320 mm
  • Handlebar: Neken, aluminium Ø 28 / 22 mm
  • Ground Clearance: 325 mm
  • Seat Height: 630 mm

Suspension

  • Front Suspension: TECH aluminium bar Ø 39 mm
  • Front Suspension Travel: 160 mm
  • Rear Suspension: TECH hydraulic damper with linkage, 3-way adjustable
  • Rear Suspension Travel: 174 mm

Brakes

  • Front Brake: Monoblock 4 pistons BRAKTEC caliper, NG WAVE floating Ø 185 mm
  • Rear Brake: BRAKTEC caliper, autostand system, 2 pistons NG Ø 150 mm

Wheels & Tyres

  • Wheels: Spoked wheels with aluminium rims
  • Chain: 520

Exhaust

  • Silencer: Aluminium

Steering

  • Steering Head Angle: 67°

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About John Lee Motorcycles

John started work in the Motorcycle Trade in 1955, working for 2 large London Dealers for 10 years. His ambition was to own his own dealership, so moved to Northamptonshire and purchased the shop where we are today in Higham Ferrers, that was 1964.

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