Triumph Street Twin 2021 vs. Kawasaki Vulcan S 2021

Triumph Street Twin 2021

Kawasaki Vulcan S 2021

Overview - Triumph Street Twin 2021 vs Kawasaki Vulcan S 2021

Triumph Street Twin 2021

Kawasaki Vulcan S 2021

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Details

Technical Specifications Triumph Street Twin 2021 compared to Kawasaki Vulcan S 2021

Triumph Street Twin 2021

Kawasaki Vulcan S 2021

Triumph Street Twin 2021

Kawasaki Vulcan S 2021

Engine and Drive Train

Engine type	Engine type	In line crankpin offset	Engine type	In line
Bore	Bore	84.6 mm	Bore	83 mm
Stroke	Stroke	80 mm	Stroke	60 mm
Engine power	Engine power	65 HP	Engine power	61 HP
Rpm at Max. Power	Rpm at Max. Power	7,500 rpm	Rpm at Max. Power	7,500 rpm
Torque	Torque	80 Nm	Torque	62.4 Nm
Rpm at Torque	Rpm at Torque	3,800 rpm	Rpm at Torque	6,600 rpm
Compression Ratio	Compression Ratio	11	Compression Ratio	10.8
Starter	Starter	Electric	Starter	Electric
Clutch Type	Clutch Type	Multiplate in oil-bath	Clutch Type	Multiplate in oil-bath
Transmission	Transmission	Chain	Transmission	Chain
Transmission Type	Transmission Type	Gearshift	Transmission Type	Gearshift
Number of gears	Number of gears	5	Number of gears	6
Cylinders	Cylinders	2	Cylinders	2
Strokes	Strokes	4-Stroke	Strokes	4-Stroke
Cooling	Cooling	liquid	Cooling	liquid
Displacement	Displacement	900 ccm	Displacement	649 ccm

Suspension Front

Front suspension	Front suspension	Telescopic fork	Front suspension	Telescopic fork
Diameter	Diameter	41 mm	Diameter	41 mm
Travel	Travel	120 mm	Travel	130 mm

Suspension Rear

Suspension	Suspension	Swing arm	Suspension	Swing arm
Shock absorber	Shock absorber	Dual Shock	Shock absorber	Monoshock
Travel	Travel	120 mm	Travel	80 mm
Adjustment	Adjustment	Preload	Adjustment	Preload

Chassis

Frame	Frame	Steel	Frame	Steel
Frame type	Frame type	Double cradle	Frame type	Perimeter
Trail	Trail	102.4 mm	Trail	120 mm

Brakes Front

Type	Type	Double disk	Type	Single disk
Diameter	Diameter	310 mm	Diameter	300 mm
Piston	Piston	Four pistons	Piston	Double piston

Brakes Rear

Type	Type	Disc	Type	Disc
Diameter	Diameter	255 mm	Diameter	250 mm
Piston	Piston	Double piston	Piston	Single piston

Assistance Systems

Advanced Rider Assistance Systems	Advanced Rider Assistance Systems	ABS	Advanced Rider Assistance Systems	ABS

Dimensions and Weights

Front tyre width	Front tyre width	100 mm	Front tyre width	120 mm
Front tyre height	Front tyre height	90 %	Front tyre height	70 %
Front tyre diameter	Front tyre diameter	18 inch	Front tyre diameter	18 inch
Rear tyre width	Rear tyre width	150 mm	Rear tyre width	160 mm
Rear tyre height	Rear tyre height	70 %	Rear tyre height	60 %
Rear tyre diameter	Rear tyre diameter	17 inch	Rear tyre diameter	17 inch
Length	Length	2,095 mm	Length	2,310 mm
Width	Width	780 mm	Width	880 mm
Height	Height	1,110 mm	Height	1,100 mm
Wheelbase	Wheelbase	1,450 mm	Wheelbase	1,575 mm
Seat Height	Seat Height	765 mm	Seat Height	705 mm
Kerb Weight (with ABS)	Kerb Weight (with ABS)	216 kg	Kerb Weight (with ABS)	229 kg
Fuel Tank Capacity	Fuel Tank Capacity	12 l	Fuel Tank Capacity	14 l
License compliancy	License compliancy	A	License compliancy	A

Pros and Cons in comparison

Triumph Street Twin 2021

Unfortunately, our editors did not test this model.

Kawasaki Vulcan S 2021

No matter which platform Kawasaki puts the 650 cubic two-cylinder in, the result is always a great motorbike! Even though the engine is unusually rev-happy for a cruiser, it results in a cruiser that actually qualifies as a sports cruiser when paired with the sporty chassis set-up. The only brake is the limited lean angle clearance, but this will not deter lovers of hearty footrest grinding. With such a good bike, we hope that Kawasaki will follow suit - after all, the Vulcan S has been with us almost unchanged since 2015.

powerful engine

chassis tuning with sporty Kawasaki DNA

real cruiser seating position

easy-to-read display

potential in tuning

Appearance a little outdated

moderate wind protection