Built around Triumph's naked motorcycle platform, the 2003 Triumph Speed Triple utilizes a 955 cc (58.3 cu in) liquid-cooled in-line three, four-stroke layout. In factory specification, peak output is rated at 120 HP (87.6 kW) at 9,100 rpm while maximum torque reaches 100 Nm (73.8 lb-ft) at 5,100 rpm, transferring power to the rear wheel through a 6-speed gearbox and chain final drive. With a specific output of 125.7 HP per liter and a 4,000 rpm working window between peak torque (5,100 rpm) and peak power (9,100 rpm), the engine character is reflecting a performance-oriented street tune that balances strong mid-range pull with an energetic top-end rush.
On the scales, the Speed Triple measures 189 kg (417 lbs) dry, translating to a power-to-weight ratio of 0.63 HP/kg (1.58 kg per horsepower). Rider ergonomics and chassis geometry center around a 815 mm (32.1 in) seat height — offering a neutral standover height that accommodates most average-inseam riders without sacrificing cornering clearance, combined with a 1,429 mm (56.3 in) wheelbase engineered for balanced agility and highway composure. The 21-liter (5.5 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Within MotoLibrary's Triumph archive, this model family spans 16 indexed model years from 1995 to 2013, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Specific Output
125.7 HP/L
Power-to-Weight
0.63 HP/kg (1.58 kg/HP)
Power Band Window
5,100–9,100 rpm
Standover Height
815 mm (32.1 in)
Engine
Displacement955.0 ccm (58.27 cubic inches)
Engine TypeIn-line three, four-stroke
Engine DetailsIn-line three, four-stroke
Power120.0 HP (87.6 kW)) @ 9100 RPM
Torque100.0 Nm (10.2 kgf-m or 73.8 ft.lbs) @ 5100 RPM
Compression12.0:1
Bore x Stroke79.0 x 65.0 mm (3.1 x 2.6 inches)
Fuel SystemInjection
Fuel ControlDouble Overhead Cams/Twin Cam (DOHC)
CoolingLiquid
Transmission
Gearbox6-speed
Final DriveChain (final drive)
Chassis
Wheelbase1429 mm (56.3 inches)
Wheels & Brakes
Front Tyre120/70-ZR17
Rear Tyre190/50-ZR17
Front BrakesDouble disc
Front Brake Ø320 mm (12.6 inches)
Rear BrakesSingle disc
Rear Brake Ø220 mm (8.7 inches)
Dimensions & Weight
Dry Weight189.0 kg (416.7 pounds)
Power/Weight0.6349 HP/kg
Seat Height815 mm (32.1 inches) If adjustable, lowest setting.
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Power
Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.
Torque
Torque is useful for judging real-world pull, especially for touring, commuting and loaded riding.
Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
