Triumph Speed Fourr (2004-06)

The Triumph Speed Four is a motorcycle produced from 2004 to 2006 with a liquid-cooled four-stroke, transverse four-cylinder, DOHC engine with a capacity of 599cc. The bike has a compression ratio of 12.5:1 and uses multipoint sequential electronic fuel injection with forced air induction. The ignition system is digital inductive type, via electronic engine management, and it starts electrically. The Triumph Speed Four can reach a max power of 71.4 kW / 98 hp at 11750 rpm, and a max torque of 55 Nm / 5.6 kg-m / 41 lb-ft at 8000 rpm. The bike has a six-speed transmission and final drive chain. The front suspension uses 43 mm Forks with dual-rate springs and adjustable preload, compression, and rebound damping, while the rear suspension uses monoshock with adjustable preload, compression, and rebound damping. The bike has a 2 x 320 mm Discs, 4 piston calipers front brake and a single 220 mm disc, 1 piston caliper rear brake. The Triumph Speed Four has a dry weight of 170 kg / 375 lbs, a wet weight of 202 kg / 446 lbs, and a fuel capacity of 18 Litres / 4.8 US gal / 4.0 Imp gal. It consumes an average of 4.8 L/100 km / 20.8 km/l / 49 US mpg / 59 Imp mpg, and it can reach a top speed of 231.4 km/h / 144 mph. The bike has a standing 1/4 mile of 11.4 sec. This bike was reviewed by Cycle World.

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Technical specifications:

Make Model: Triumph Speed Four

Year: 2004 – 06

Engine: Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.

Capacity: 599 cc / 36.6 cu in

Bore x Stroke: 68 x 41.3 mm

Cooling System: Liquid cooled

Compression Ratio: 12.5:1

Induction: Multipoint sequential electronic fuel injection with forced air induction

Ignition: Digital inductive type, via electronic engine management

Starting: Electric

Max Power: 71.4 kW / 98 hp @ 11750 rpm

Max Torque: 55 Nm / 5.6 kg-m / 41 lb-ft @ 8000 rpm

Transmission: 6 Speed

Final Drive: Chain

Front Suspension: 43 mm Forks with dual rate springs and adjustable preload, compression and rebound damping

Rear Suspension: Monoshock with adjustable preload, compression and rebound damping

Front Brakes: 2 x 320 mm Discs, 4 piston calipers

Rear Brakes: Single 220 mm disc, 1 piston caliper

Front Tyre: 120/70 ZR 17

Rear Tyre: 180/55 ZR 17

Rake: 24o

Trail: 89.1 mm / 3.5 in

Dimensions: Length 2165 mm / 85.2 in Width 690 mm / 27.2 in Height 1110 mm 43.7 in

Wheelbase: 1395 mm / 54.9 in

Seat Height: 810 mm / 31.9 in

Dry Weight: 170 kg / 375 lbs

Wet Weight: 202 kg / 446 lbs

Fuel Capacity: 18 Litres / 4.8 US gal / 4.0 Imp gal

Consumption Average: 4.8 L/100 km / 20.8 km/l / 49 US mpg / 59 Imp mpg

Standing 1/4 Mile: 11.4 sec

Top Speed: 231.4 km/h / 144 mph

Review: Cycle World