Triumph Speed Four: history, specs, pictures
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| Triumph Speed Four | |
| Manufacturer | |
|---|---|
| Production | 2003 - 2006 |
| Class | Naked |
| Engine | Liquid-cooled, DOHC, in-line 4-cylinder, 4-stroke |
| Bore / Stroke | 68.6mm x 68.6mm |
| Compression ratio | 12.5:1 |
| Horsepower | 98.03 HP (73.1 KW) @ 11750RPM |
| Torque | 50.16 ft/lbs (68.0 Nm) @ 10500RPM |
| Fuel System | Multipoint sequential electronic fuel injection with forced air induction |
| Air Filter | K&N TB-6000 `03-05[1] |
| Ignition | digital - inductive type - via electronic engine management system |
| Spark Plug | NGK CR9EK '03-05 |
| Battery | YUASA YB14L-A2 '03-05 |
| Transmission | Gear box: Gears Final Drive: X-ring chain |
| Final Drive | Chain: 525 `02-06[2] |
| Suspension | Front: 43mm forks with dual rate springs and adjustable preload, rebound and compression damping Rear: Monoshock with adjustable preload, rebound and compression damping |
| Brakes | Front: Twin 310mm floating discs, 4 piston calipers Rear: Single 220mm disc, single piston caliper |
| Front Tire | 120/70 ZR17 |
| Rear Tire | 180/55 ZR17 |
| Wheelbase | 54.88 inches (1394 mm) |
| Length | 85.2 inches (2164 mm) |
| Width | 27.2 inches (691 mm) |
| Height | 43.7 inches (1110 mm) |
| Seat Height | 31.89 inches (810 mm) |
| Weight | 374.79 pounds (170.0 Kg) (dry), 170.0 kg (wet) |
| Fuel Capacity | 4.39 Gallon (16.60 Liters) |
| Related | Triumph Speed Triple |
| Manuals | Service Manual |
The Triumph Speed Four was a Liquid-cooled, DOHC, in-line 4-cylinder, 4-stroke Naked motorcycle produced by Triumph between 2003 and 2006. Max torque was 50.16 ft/lbs (68.0 Nm) @ 10500 RPM. Claimed horsepower was 98.03 HP (73.1 KW) @ 11750 RPM.
Engine[edit | edit source]
The engine was a liquid cooled Liquid-cooled, DOHC, in-line 4-cylinder, 4-stroke. A 68.6mm bore x 68.6mm stroke result in a displacement of just 599.0 cubic centimeters. Fuel was supplied via a double overhead cams/twin cam (dohc).
Drive[edit | edit source]
The bike has a Gears transmission. Power was moderated via the Wet, multiplate.
Chassis[edit | edit source]
It came with a 120/70 ZR17 front tire and a 180/55 ZR17 rear tire. Stopping was achieved via Twin 310mm floating discs, 4 piston calipers in the front and a Single 220mm disc, single piston caliper in the rear. The front suspension was a 43mm forks with dual rate springs and adjustable preload, rebound and compression damping while the rear was equipped with a Monoshock with adjustable preload, rebound and compression damping. The Speed Four was fitted with a 4.39 Gallon (16.60 Liters) fuel tank. The bike weighed just 374.79 pounds (170.0 Kg). The wheelbase was 54.88 inches (1394 mm) long.
2003 Triumph Speed Four[edit | edit source]
An intriguing presence, the 2002 Speed Four is a naked supersport bike with an ultra-aggressive styling meant to boast both performance and the head-turning factor. Powerful and exceptionally maneuverable, the 2002 Speed Four comes with a lightweight chassis and progressive, predictable brakes and fully adjustable suspensions, front and rear.
For both track fun and city slicing, the 2002 Speed Four is a valid choice in case you're looking for high-adrenaline fun and modern British character.
2004 Triumph Speed Four[edit | edit source]
The 2003 Speed Four is a sweet derivation from the acclaimed Daytona 600 machine, but it rather establishes a class of its own. Most likely it's the radical styling which will make heads turn: naked, agile and utterly aggressive, the Speed Four also comes with exceptional handling and a strong feeling of being in control.
With powerful brakes and its lightweight construction, the 2003 Speed Four is a sweet choice for urban riding, being an excellent commuter and doubling as a nimble machine for weekends at the track or just leisure riding.
2005 Triumph Speed Four[edit | edit source]
The 2004 Speed Four carries on the naked roadster heritage and brings all the brawn of a supersport machine in a more streetable package which is great for daily riders as it is rewarding on the track or for weekend getaways. Exceptional handling and an upright riding position add a lot of usability for this bike, while the uncompromised, straightforward styling is all radical Triumph DNA.
Light and nimble, the 2004 Speed Four is a great sporty all-rounder which will provide enormous fun in pretty much any scenario.
2006 Triumph Speed Four[edit | edit source]
One of the last in-line 4 machines manufactured by Triumph, the Speed Four is a high-performance roadster which boasts its ultra-aggressive styling and matches it with equally thrilling performance from the supersport-class 599cc engine.
A middleweight naked beast for exceptional fun in the busy urban traffic and even more fun for fast weekend getaways around the city, the Speed Four is a great choice for a daily bike. And with adjustable suspensions, there's no telling how fun time spent aboard it can be.
References[edit | edit source]
- ↑ 2019 K&L Supply Co Catalog. K&L Supply Co. 2019.
- ↑ 2019 Western Power Sports Catalog. Western Power Sports. 2019.
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