Triumph Speed Four 2003 - Specifications & Review

Speed Four

Article Complete Info

Articleid328153
CategoryNaked bike
MakeTriumph
ModelSpeed Four
Year2003

Chassis, Suspension, Brakes & Wheels

FrontbrakesDouble disc
Frontbrakesdiameter310 mm (12.2 inches)
Fronttyre120/70-ZR17
RearbrakesSingle disc
Rearbrakesdiameter220 mm (8.7 inches)
Reartyre180/55-ZR17

Engine & Transmission

Borexstroke68.0 x 41.3 mm (2.7 x 1.6 inches)
Compression12.5:1
CoolingsystemLiquid
Displacement599.00 ccm (36.55 cubic inches)
EnginedetailsIn-line four, four-stroke
FuelsystemInjection
Gearbox6-speed
Power98.00 HP (71.5 kW)) @ 11750 RPM
Torque68.00 Nm (6.9 kgf-m or 50.2 ft.lbs) @ 10500 RPM
TransmissiontypefinaldriveChain

Physical Measures & Capacities

Dryweight170.0 kg (374.8 pounds)
Fuelcapacity18.00 litres (4.76 gallons)
Overallheight1,150 mm (45.3 inches)
Overalllength2,060 mm (81.1 inches)
Overallwidth690 mm (27.2 inches)
Powerweightratio0.5765 HP/kg
Seatheight810 mm (31.9 inches) If adjustable, lowest setting.

About Triumph Speed Four 2003

Introducing the 2003 Triumph Speed Four, a naked bike that perfectly embodies the spirit of agility and performance. With its striking design and sporty demeanor, this motorcycle stands out in the crowded streetfighter segment. Triumph, renowned for its British heritage and engineering excellence, delivered a machine that caters to both seasoned riders and those new to the world of performance motorcycling. The Speed Four is not just a motorcycle; it’s a statement of intent, designed for those who crave a thrilling ride combined with everyday usability.

At the heart of the Speed Four lies a potent 599cc in-line four engine, producing an exhilarating 98 HP at 11,750 RPM and a torque of 68 Nm at 10,500 RPM. This impressive powerplant, coupled with its 6-speed gearbox, offers a thrilling acceleration that can turn everyday commutes into adrenaline-fueled adventures. The liquid-cooled engine ensures optimal performance even on hot summer days, while the fuel injection system provides smooth throttle response and efficiency. The bike's lightweight design, weighing in at just 170 kg (374.8 pounds), allows for effortless maneuverability, making it equally adept at tackling twisty mountain roads or weaving through urban traffic.

The Speed Four is packed with features that enhance both performance and rider comfort. Its double disc front brakes with a 310 mm diameter and a single disc rear brake ensure robust stopping power, instilling confidence in every ride. The sporty suspension setup offers a balance of comfort and responsiveness, allowing riders to feel connected to the road. With a seat height of 810 mm (31.9 inches), it accommodates a wide range of riders, and the stylish yet functional design showcases Triumph's commitment to aesthetics and engineering prowess. Additionally, the 18-liter fuel tank provides ample range for those longer rides, ensuring that the Speed Four is always ready for adventure.

Pros:

  1. Powerful Performance: With 98 HP and a responsive engine, the Speed Four delivers exhilarating acceleration and top-end performance.
  2. Agile Handling: Its lightweight frame allows for nimble handling, making it perfect for both city commuting and spirited rides through twisty roads.
  3. Stylish Design: The naked bike aesthetic is both attractive and functional, showcasing Triumph's blend of classic and modern design elements.

Cons:

  1. Limited Wind Protection: As a naked bike, the Speed Four offers minimal wind protection, which may be uncomfortable for longer rides at higher speeds.
  2. Single-Purpose Focus: While it excels in performance, it may lack the versatility of touring bikes, making it less suitable for long-distance journeys.
  3. Maintenance Accessibility: Some riders may find the engine and components less accessible for DIY maintenance compared to other models, which could lead to higher service costs.

In summary, the 2003 Triumph Speed Four is a thrilling ride that expertly balances performance and style, making it an exciting choice for motorcycle enthusiasts who seek a lively urban experience without sacrificing the joy of the open road.

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