Naked Motorcycles
2004Triumph Speed Four
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The 2004 Triumph Speed Four is a lightweight naked bike designed for riders seeking accessible, engaging performance in an agile package. Its 599cc four-cylinder engine delivers crisp acceleration and refined handling, making it ideal for commuting and spirited riding. Known for combining classic British styling with modern technology, it appeals to both newcomers and experienced riders valuing nimble dynamics.
- Capacity
- 599.0 ccm
- Engine
- In-line four, four-stroke
- Gearbox
- 6-speed
- Dry weight
- 170.0 kg
- Seat height
- 810 mm
- Power
- 97.0 HP (71.3 kW) @ 11750 RPM
What’s new for the 2004 Triumph Speed Four
vs the 2003| Spec | 2003 | 2004 |
|---|---|---|
| Power | 98.0 HP (72.1 kW) @ 11750 RPM | 97.0 HP (71.3 kW) @ 11750 RPM |
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built for spirited road riding and canyon carving, blending a screaming supersport-derived engine with an upright naked-bike stance.
- Built for
- A fiery, revvy little naked bike that loves being thrashed near redline and rewards aggressive, playful riding.
- Not ideal for
- Not ideal for riders seeking long-distance comfort, passenger-friendly touring, or 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
- 599.0 ccm
- Power
- 97.0 HP (71.3 kW) @ 11750 RPM
- Torque
- 68.0 Nm (6.9 kgf-m)
- Engine type
- In-line four, four-stroke
- Power/weight ratio
- 0.5706 HP/kg (dry)
- Bore x stroke
- 68.0 x 41.3 mm
- Compression
- 12.5:1
- Cooling system
- Liquid
- Fuel system
- Injection
- Ignition
- Digital - inductive type - via electronic engine management system
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Wet, multi-plate
Dimensions & weight
- Wheelbase
- 1395 mm
- Overall length
- 2060 mm
- Overall width
- 690 mm
- Overall height
- 1150 mm
- Seat height
- 810 mm
- Dry weight
- 170.0 kg
- Fuel capacity
- 18.00 litres
Chassis & suspension
- Frame
- Aluminium beam perimeter
- Front suspension
- 43mm forks with dual rate springs and adjustable preload, compression and rebound damping
- Rear suspension
- Monoshock with adjustable preload, rebound and compression damping
- Rake (fork angle)
- 24.6°
Brakes & wheels
- Front brakes
- Double disc
- Front brakes diameter
- 310 mm
- Rear brakes
- Single disc
- Rear brakes diameter
- 220 mm
- Front tyre
- 120/70-ZR17
- Rear tyre
- 180/55-ZR17
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 | 2003 | 2004 | 2005 | 2006 |
|---|---|---|---|---|
| Capacity | 599 cc | 599 cc | 599 cc | 599 cc |
| Dry weight | 170 kg | 170 kg | 170 kg | 170 kg |
| Seat height | 810 mm | 810 mm | 810 mm | 810 mm |
| Fuel capacity | 18 L | 18 L | 16.6 L | 16.6 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 Speed Four?
The 2004 Triumph Speed Four has a Capacity of 599.0 ccm (36.55 cubic inches).
What engine power does the Triumph Speed Four have?
The 2004 Triumph Speed Four has a Power of 97.0 HP (71.3 kW) @ 11750 RPM.
How many gears does the Triumph Speed Four have?
The 2004 Triumph Speed Four has a Gearbox of 6-speed.
What is the torque of the Triumph Speed Four?
The 2004 Triumph Speed Four has a Torque of 68.0 Nm (6.9 kgf-m or 50.2 ft.lbs).
How much does the Triumph Speed Four weigh?
The 2004 Triumph Speed Four has a Dry weight of 170.0 kg (374.8 pounds).
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