Triumph Speed Four - 2005 Specifications and Reviews
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.
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 | |
| Color options | Jet Black, Neon Blue |
| Fuel capacity | 16.60 litres (4.39 gallons) |






































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