Triumph Speed Four

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Make ModelTriumph Speed Four
Year: 2002
Engine: Liquid cooled, four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.
Capacity: 599
Bore x Stroke: 68 x 41.3 mm
Compression Ratio: 12.5:1
Induction: Multipoint sequential electronic fuel injection with forced air Induction:
Ignition / Starting: Digital inductive type, via electronic Engine: management / electric
Max Power: 98 hp 71.4 kW @ 11750 rpm
Max Torque: 68 Nm @ 10500 rpm
Transmission / Drive: 6 Speed / chain
Front Suspension: 43mm forks with dual rate springs and adjustable preload, compression and rebound damping
Rear Suspension: Monoshock with adjustable preload, compression and rebound damping
Front Brakes: 2x 320mm discs 4 piston calipers
Rear Brakes: Single 220mm disc 1 piston caliper
Front Tire: : 120/70 ZR 17
Rear Tire: : 180/55 ZR 17
Dry-Weight: 170 kg
Fuel Capacity: 18 Litres
Consumption average20.8 km/lit
Standing ΒΌ Mile 11.4 sec
Top Speed231.4 km/h / Motorsport it / Motormag / Motociclismo / /

Triumph’s Speed Four is, in part, an attempt to recoup some of the massive investment in developing the TT600 Engine: and chassis. Essentially a TT600 without the full race fairing, the Speed Four is aimed at the popular middleWeight: naked bike market. Its aluminium twin-spar Frame: and liquid-cooled Engine: are clearly on display, and its high-quality suspension is also retained, giving the highest-spec chassis in the class. The impressive brakes of the TT are also retained. Re-tuning of the TT600 Engine: has produced a lower peak power output, but improved low-down pull. The Speed Four’s styling is borrowed from the firm’s Speed Triple. The twin headlamps and small flyscreen echo the bigger bike’s ‘streetfighter’ styling.

A sporty, middleWeight: motorcycle has to perform in many environments – from racetrack to city street and winding back road, perhaps in one day. And the Speed Four has been built not just to perform.

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