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Triumph Specifications

Triumph Street Twin (2018)

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Triumph Street Twin (2018)

At a glance

Capacity
900 cc / 54.9 cu in
Power
40.5 kW / 55 hp @ 5900 rpm
Torque
80 Nm / 8.16 kgf-m / 59 ft-lb @ 3230 rpm
Seat height
750 mm / 29.5 in

The full picture.

The Triumph Street Twin 2018 motorcycle is a four-stroke bike with a 270-degree crank angle parallel twin engine, featuring SOHC and 8 valves with a capacity of 900cc. The cooling system is liquid, and the compression ratio is 10.55:1. The lubrication is wet sump and is equipped with a brushed stainless steel exhaust that has a 2 into 2 system with twin silencers. The bike has a multipoint sequential electronic fuel injection system and digital ignition. Electric starting can power the motor to get 40.5 kW / 55 hp @ 5900 rpm, with a maximum torque of 80 Nm / 8.16 kgf-m / 59 ft-lb @ 3230 rpm. The transmission is five-speed, and the clutch is wet, multi-plate, slip-assist. The bike is equipped with a chain, X-ring final drive. The frame is a tubular steel cradle and twin-sided tubular steel swing-arm with Kayaba 41 mm fork front suspension and Kayaba twin shocks with adjustable preload rear suspension. Front brakes include a single 310mm disc with Nissin 2 piston floating caliper, and ABS included in both front and rear brakes. The bike’s wheels are a cast aluminium alloy multi-spoke measuring 2.75 x 18 front and 4.25 x 17 rear. The front tyre is 100/90-R18, and the rear tyre is 150/70-R17. It has a 25.1 degrees rake and a 102.4 mm / 4.0 in trail. The width of the bike is 785 mm, height 1114 mm (without mirrors), wheelbase 1415 mm, and seat height is 750 mm. The dry weight of the motorcycle is 198 kg / 437 lbs, and the fuel capacity is 12 L / 3.2 US gal / 2.7 Imp gal. The manufacturer has designed this motorcycle in five different colors: Jet black, Cranberry red, Mat black, Phantom black, and Aluminium silver. Finally, the average fuel consumption claimed stands at 3.87 L/100 km / 25.8 km/l / 60.8 US mpg / 73.0 Imp mpg.


Technical specifications:

Make Model: Triumph Street Twin

Motorcycle technical specifications
Year2018
EngineFour stroke, 270 degrees Crank angle parallel twin, SOHC, 8 valves
Capacity900 cc / 54.9 cu in
Bore x Stroke84.6 x 80 mm
Cooling SystemLiquid cooled
Compression Ratio10.55:1
LubricationWet sump
ExhaustBrushed stainless steel, 2 into 2 exhaust system with twin silencers
InductionMultipoint sequential electronic fuel injection
IgnitionDigital
StartingElectric
Max Power40.5 kW / 55 hp @ 5900 rpm
Max Torque80 Nm / 8.16 kgf-m / 59 ft-lb @ 3230 rpm
ClutchWet, multi-plate, slip-assist
Transmission5-Speed
Final DriveChain, X-ring
FrameTubular steel cradle, twin-sided tubular steel swing-arm
Front SuspensionKayaba 41 mm fork
Front Wheel Travel120 mm / 4.7 in
Rear SuspensionKayaba twin shocks with adjustable preload
Rear Wheel Travel120 mm / 4.7 in
Front BrakesSingle 310mm disc, Nissin 2 piston floating caliper, ABS
Rear BrakesSingle 255mm disc, Nissin 2 piston floating caliper, ABS
Wheels Front2.75 x 18, Cast aluminium alloy, multi-spoke
Wheels Rear4.25 x 17, Cast aluminium alloy, multi-spoke
Front Tyre100/90-R18
Rear Tyre150/70-R17
Rake25.1 degrees
Trail102.4 mm / 4.0 in
DimensionsWidth: 785 mm / 30.9 in Height: 1114 mm / 43.9 in (without mirrors)
Wheelbase1415 mm / 55.7 in
Seat Height750 mm / 29.5 in
Dry Weight198 kg / 437 lbs
Fuel Capacity12 L / 3.2 US gal / 2.7 Imp gal
Consumption Average (claimed)3.87 L/100 km / 25.8 km/l / 60.8 US mpg / 73.0 Imp mpg
ColoursJet black, Crnberry red, Matt black, Phantom black, Aluminium silver