Naked Motorcycles
2005Triumph Speed Four
33 fields on record
The 2005 Triumph Speed Four is a middleweight naked bike ideally suited for riders seeking agile handling and accessible performance. Its 599cc four-cylinder engine delivers 98 horsepower with responsive character, making it perfect for commuting and spirited riding. Known for nimble cornering and practical everyday usability, the Speed Four balances modern technology with classic styling appeal.
- Capacity
- 599.0 ccm
- Engine
- In-line four, four-stroke
- Gearbox
- 6-speed
- Dry weight
- 170.0 kg
- Seat height
- 810 mm
- Power
- 98.0 HP (72.1 kW) @ 11750 RPM
What’s new for the 2005 Triumph Speed Four
vs the 2004| Spec | 2004 | 2005 |
|---|---|---|
| Power | 97.0 HP (71.3 kW) @ 11750 RPM | 98.0 HP (72.1 kW) @ 11750 RPM |
| Fuel capacity | 18.00 litres (4.76 US gallons) | 16.60 litres (4.39 US gallons) |
| Front brakes | Double disc | Double disc. 4-piston calipers |
| Rear brakes | Single disc | Single disc. 2-piston calipers |
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
- 98.0 HP (72.1 kW) @ 11750 RPM
- Torque
- 68.0 Nm (6.9 kgf-m)
- Engine type
- In-line four, four-stroke
- Power/weight ratio
- 0.5765 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
- 2165 mm
- Overall width
- 690 mm
- Overall height
- 1110 mm
- Seat height
- 810 mm
- Dry weight
- 170.0 kg
- Fuel capacity
- 16.60 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. 4-piston calipers
- Front brakes diameter
- 310 mm
- Rear brakes
- Single disc. 2-piston calipers
- Rear brakes diameter
- 220 mm
- Front tyre
- 120/70-ZR17
- Rear tyre
- 180/55-ZR17
Other
- Color options
- Jet Black, Neon Blue
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 2005 Triumph Speed Four has a Capacity of 599.0 ccm (36.55 cubic inches).
What engine power does the Triumph Speed Four have?
The 2005 Triumph Speed Four has a Power of 98.0 HP (72.1 kW) @ 11750 RPM.
How many gears does the Triumph Speed Four have?
The 2005 Triumph Speed Four has a Gearbox of 6-speed.
What is the torque of the Triumph Speed Four?
The 2005 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 2005 Triumph Speed Four has a Dry weight of 170.0 kg (374.8 pounds).
Shop this bike
Affiliate linksWe may earn a commission from qualifying eBay or Amazon purchases made through these links. As an Amazon Associate I earn from qualifying purchases.
Please log in or register if you'd like to leave a comment.
Own one? Add it to My Garage and write an owner review with an Owner badge.