What category is the 2005 Triumph Speed Four?

The 2005 Triumph Speed Four has a Category of Naked bike.

What is the engine size of the 2005 Triumph Speed Four?

The 2005 Triumph Speed Four has a Capacity: of 599.00 ccm (36.55 cubic inches).

What type of engine does the 2005 Triumph Speed Four have?

The 2005 Triumph Speed Four has a Engine type of In-line four.

What is the engine power of the 2005 Triumph Speed Four?

The 2005 Triumph Speed Four has a Power of 98.00.

What is the torque of the 2005 Triumph Speed Four?

The 2005 Triumph Speed Four has a Torque of 68.00.

Is the 2005 Triumph Speed Four air cooled or liquid cooled?

The 2005 Triumph Speed Four has a Cooling system of Liquid.

How many gears does the 2005 Triumph Speed Four have?

The 2005 Triumph Speed Four has a Gearbox of 6-speed.

How much does the 2005 Triumph Speed Four weigh?

The 2005 Triumph Speed Four has a Dry weight of 170.0 kg (374.8 pounds).

What is the seat height of the 2005 Triumph Speed Four?

The 2005 Triumph Speed Four has a Seat height of 810 mm (31.9 inches) If adjustable, lowest setting..

Triumph Speed Four - 2005 Specifications and Reviews

Name: 2005 Triumph Speed Four
Brand: Triumph

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.

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2005

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General information
Category	Naked bike
Year	2005
Model	Triumph Speed Four
Engine and Transmission Specifications
Clutch	Wet, multi-plate
Transmission typefinal drive	Chain
Gearbox	6-speed
Cooling system	Liquid
Ignition	Digital - inductive type - via electronic engine management system
Fuel control	DOHC
Fuel system	Injection. Multipoint sequential electronic fuel injection with forced air induction
Bore x stroke	68.0 x 41.3 mm (2.7 x 1.6 inches)
Compression	12.5:1
Torque	68.00
Power	98.00
Stroke	4
Engine type	In-line four
Capacity:	599.00 ccm (36.55 cubic inches)
Physical measures and capacities
Wheelbase	1,395 mm (54.9 inches)
Overall width	690 mm (27.2 inches)
Overall length	2,165 mm (85.2 inches)
Overall height	1,110 mm (43.7 inches)
Seat height	810 mm (31.9 inches) If adjustable, lowest setting.
Dry weight	170.0 kg (374.8 pounds)

Triumph Speed Four dimensions and frame
Rear brakes diameter	220 mm (8.7 inches)
Rear brakes	Single disc. 2-piston calipers
Front brakes diameter	310 mm (12.2 inches)
Front brakes	Double disc. 4-piston calipers
Rear tyre dimensions	180/55-ZR17
Front tyre dimensions	120/70-ZR17
Rear suspension	Monoshock with adjustable preload, rebound and compression damping
Front suspension	43mm forks with dual rate springs and adjustable preload, compression and rebound damping
Rake (fork angle)	24.6°
Frame type	Aluminium beam perimeter
Speed and acceleration
Power/weight ratio	0.5765 HP/kg

Other specs
Maintenance	Find parts, fluids, filters, maintenance tools and service items on eBay
Color options	Jet Black, Neon Blue
Fuel capacity	16.60 litres (4.39 gallons)

Performance Profile & Rider Fit

98 hp

Peak Power

3.4s

0-60 mph

Best For

Track75%

City70%

Cornering88%

Daily Riding55%

Touring30%

Passenger35%

Rider Profile

Best For	Best suited to riders with some prior experience, as the high-revving inline-four and sharp chassis reward a confident, active riding style.
Purpose	Built for spirited road riding and canyon carving, blending a screaming supersport-derived engine with an upright naked-bike stance.
Rider Fit	A light dry weight and moderate seat height make it manageable for most rider sizes, though the firm sporty ergonomics ask for decent wrist and core engagement.
Character	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.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2005 Triumph Speed Four Rider Ergonomics Assessment

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Inseam (optional)

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Feet:

At 810mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with both feet flat on the 2005 Triumph Speed Four, with a relaxed knee angle of around 120 degrees and a forward-leaning riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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