Naked Motorcycles
2005Triumph Thruxton 900
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The 2005 Triumph Thruxton 900 is a classic retro-styled middleweight twin that appeals to riders seeking authentic café racer character. Its air-cooled 865cc parallel twin delivers accessible performance with 70 horsepower, while the five-speed gearbox and nimble handling make it ideal for spirited road riding and urban commuting. Best known for blending British heritage styling with modern reliability, it suits purists who value style and engagement over raw power.
- Capacity
- 865.0 ccm
- Engine
- Parallel Twin, four-stroke
- Gearbox
- 5-speed
- Dry weight
- 205.0 kg
- Seat height
- 790 mm
- Power
- 70.0 HP (51.5 kW)
What’s new for the 2005 Triumph Thruxton 900
vs the 2004| Spec | 2004 | 2005 |
|---|---|---|
| Power | 69.0 HP (50.7 kW) | 70.0 HP (51.5 kW) |
| Torque | 72.0 Nm (7.3 kgf-m or 53.1 ft.lbs) @ 5750 RPM | 72.0 Nm (7.3 kgf-m or 53.1 ft.lbs) |
| Fuel capacity | 16.00 litres (4.23 US gallons) | 16.60 litres (4.39 US gallons) |
| Front brakes | Single disc | Single disc. 2-piston calipers |
| Rear brakes | Single disc | Single disc. 2-piston calipers |
| Wheelbase | 1477 mm (58.1 inches) | 1490 mm (58.7 inches) |
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built for spirited backroad cafe-racer riding and boulevard cruising rather than outright speed or long-distance touring.
- Built for
- A retro-styled parallel-twin with air-cooled charm, offering a torquey, characterful ride that favors style and feel over raw performance.
- Not ideal for
- Not a good fit for riders seeking modern power, long-haul comfort, or any serious off-road capability.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Will it fit you?
Worked out in your browser - nothing is sent to usEngine
- Capacity
- 865.0 ccm
- Power
- 70.0 HP (51.5 kW)
- Torque
- 72.0 Nm (7.3 kgf-m)
- Engine type
- Parallel Twin, four-stroke
- Power/weight ratio
- 0.3415 HP/kg (dry)
- Bore x stroke
- 90.0 x 68.0 mm
- Compression
- 9.2:1
- Cooling system
- Air
- Fuel system
- Carburettor
- Ignition
- Digital - inductive type
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Wet, multi-plate
Dimensions & weight
- Wheelbase
- 1490 mm
- Overall length
- 2150 mm
- Overall width
- 695 mm
- Overall height
- 1095 mm
- Seat height
- 790 mm
- Dry weight
- 205.0 kg
- Fuel capacity
- 16.60 litres
Chassis & suspension
- Frame
- Tubular steel cradle
- Front suspension
- 41mm forks with adjustable preload
- Rear suspension
- Chromed spring twin shocks with adjustable preload
- Rake (fork angle)
- 27.0°
- Trail
- 97 mm
Brakes & wheels
- Front brakes
- Single disc. 2-piston calipers
- Front brakes diameter
- 320 mm
- Rear brakes
- Single disc. 2-piston calipers
- Rear brakes diameter
- 255 mm
- Front tyre
- 100/90-19
- Rear tyre
- 130/80-17
Other
- Color options
- Jet Black/Silver, Racing Yellow/Silver, Caspian Blue/Silver
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 | 2005 | 2006 |
|---|---|---|---|
| Capacity | 865 cc | 865 cc | 865 cc |
| Dry weight | 205 kg | 205 kg | 205 kg |
| Seat height | 790 mm | 790 mm | 790 mm |
| Fuel capacity | 16 L | 16.6 L | 16 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 Triumph Thruxton 900?
The 2005 Triumph Thruxton 900 has a Capacity of 865.0 ccm (52.79 cubic inches).
What engine power does the Triumph Thruxton 900 have?
The 2005 Triumph Thruxton 900 has a Power of 70.0 HP (51.5 kW).
How many gears does the Triumph Thruxton 900 have?
The 2005 Triumph Thruxton 900 has a Gearbox of 5-speed.
What is the torque of the Triumph Thruxton 900?
The 2005 Triumph Thruxton 900 has a Torque of 72.0 Nm (7.3 kgf-m or 53.1 ft.lbs).
How much does the Triumph Thruxton 900 weigh?
The 2005 Triumph Thruxton 900 has a Dry weight of 205.0 kg (451.9 pounds).
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