2026 GasGas Trials

Next-level offroad enjoyment

2026 GasGas Trials

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GASGAS TXT GP 300 2025

Next-level offroad enjoyment

RRP: £7,599.00
  • Known the world over as a trial workhorse that delivers class leading performance, the TXT GP 300 offers precise, agile handling with a strong motor creating a serious amount of usable power. With a plentiful supply of clean and tractable torque on tap, it's the way it's delivered that encourages all skilful riders to push their limits. Not for the faint hearted, the 300cc 2-stroke is built to conquer the toughest sections and take on the toughest challenges head on. With impressive manoeuvrability, low running costs, leading suspension, a strong and reliable gearbox for precise shifting, as well as a hydraulic clutch and brakes from BRAKTEC, the TXT GP 300 truly does deliver serious trial performance.
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Tech Specs

Engine

  • Design: Single-cylinder, 2-stroke engine
  • Displacement: 294.1 cm³
  • Bore × Stroke: 79 × 60 mm
  • Cooling: Liquid cooling & fan motor
  • Clutch: BRAKTEC hydraulics – diaphragm GG 1/3
  • Compression Ratio: 10.4 : 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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