Trials Bikes
2004GAS GAS TXT Pro 280
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The 2004 GAS GAS TXT Pro 280 is a lightweight trial motorcycle designed for experienced riders seeking precision and technical mastery. Powered by a 272cc liquid-cooled two-stroke engine paired with a six-speed transmission, it excels in navigating challenging terrain and obstacles. The bike is renowned for its agile handling, advanced Marzocchi suspension, and responsive braking system.
- Capacity
- 272.2 ccm
- Engine
- Single, two-stroke
- Gearbox
- 6-speed
- Dry weight
- 69.0 kg
- Seat height
- 665 mm
- Power
- 18.8 HP (13.8 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built purely for competitive and recreational trials riding, tackling obstacles, rocks, and technical terrain at walking pace rather than for any kind of conventional riding.
- Built for
- A featherlight, razor-responsive two-stroke trials tool defined by explosive low-down torque delivery, pinpoint chassis feedback, and total disregard for comfort or a conventional seat.
- Not ideal for
- Not suitable for anyone wanting a road-going, touring, or daily commuter bike, as it lacks a real seat, lights, fuel range, and any high-speed capability.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Engine
- Capacity
- 272.2 ccm
- Power
- 18.8 HP (13.8 kW)
- Engine type
- Single, two-stroke
- Power/weight ratio
- 0.2725 HP/kg (dry)
- Bore x stroke
- 76.0 x 60.0 mm
- Cooling system
- Liquid
- Fuel system
- Carburettor
- Starting
- Kick
- Ignition
- CDI Kokusan*, digital magnetic flywheel.
- Lubrication system
- Engine oil continuous with bypass.
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Multidisc, hydraulically-operated
Dimensions & weight
- Wheelbase
- 1330 mm
- Overall length
- 2045 mm
- Overall height
- 1130 mm
- Seat height
- 665 mm
- Dry weight
- 69.0 kg
- Fuel capacity
- 3.00 litres
Chassis & suspension
- Frame
- Cr-Mo steel
- Front suspension
- Marzocchi telehydrailc fork, 40 mm
- Rear suspension
- Variable progressive system
- Front wheel travel
- 177 mm
- Rear wheel travel
- 164 mm
Brakes & wheels
- Front brakes
- Single disc
- Front brakes diameter
- 185 mm
- Rear brakes
- Single disc
- Rear brakes diameter
- 150 mm
- Front tyre
- 2.75-21
- Rear tyre
- 4.00-18
Specs last verified against published sources: .
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
What changed, year to year
Differences highlighted| Specification | 2004 | 2006 | 2009 | 2011 | 2014 |
|---|---|---|---|---|---|
| Capacity | 272 cc | 272 cc | 272 cc | 272 cc | 272 cc |
| Dry weight | 69 kg | 67 kg | 67 kg | 67 kg | 68 kg |
| Seat height | 665 mm | 665 mm | 665 mm | 665 mm | 650 mm |
| Fuel capacity | 3 L | 3 L | 2.5 L | 2.5 L | 2.5 L |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the GAS GAS TXT Pro 280?
The 2004 GAS GAS TXT Pro 280 has a Capacity of 272.2 ccm (16.61 cubic inches).
What engine power does the GAS GAS TXT Pro 280 have?
The 2004 GAS GAS TXT Pro 280 has a Power of 18.8 HP (13.8 kW).
How many gears does the GAS GAS TXT Pro 280 have?
The 2004 GAS GAS TXT Pro 280 has a Gearbox of 6-speed.
How much does the GAS GAS TXT Pro 280 weigh?
The 2004 GAS GAS TXT Pro 280 has a Dry weight of 69.0 kg (152.1 pounds).
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