Kawasaki Z900 70kW 2019 vs. Aprilia RS 660 Limited Edition 2022

Technical Specifications Kawasaki Z900 70kW 2019 compared to Aprilia RS 660 Limited Edition 2022

Kawasaki Z900 70kW 2019

Aprilia RS 660 Limited Edition 2022

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Differences

Kawasaki Z900 70kW 2019

Aprilia RS 660 Limited Edition 2022

Engine and Drive Train

Engine type	Engine type	In line	Engine type	In line crankpin offset
Bore	Bore	73.4 mm	Bore	81 mm
Stroke	Stroke	56 mm	Stroke	63.93 mm
Engine power	Engine power	95 HP	Engine power	100 HP
Rpm at Max. Power	Rpm at Max. Power	8,500 rpm	Rpm at Max. Power	10,500 rpm
Torque	Torque	91.2 Nm	Torque	67 Nm
Rpm at Torque	Rpm at Torque	6,500 rpm	Rpm at Torque	8,500 rpm
Compression Ratio	Compression Ratio	11.8	Compression Ratio	13.5
Fuel system	Fuel system	Injection	Fuel system	Injection
Clutch Type	Clutch Type	Multiplate in oil-bath	Clutch Type	Multiplate in oil-bath, Antihopping
Transmission	Transmission	Chain	Transmission	Chain
Transmission Type	Transmission Type	Gearshift	Transmission Type	Gearshift
Number of gears	Number of gears	6	Number of gears	6
Cylinders	Cylinders	4	Cylinders	2
Strokes	Strokes	4-Stroke	Strokes	4-Stroke
Valves per cylinder	Valves per cylinder	4	Valves per cylinder	4
Valves	Valves	DOHC	Valves	DOHC
Cooling	Cooling	liquid	Cooling	liquid
Displacement	Displacement	948 ccm	Displacement	659 ccm

Suspension Front

Front suspension	Front suspension	Upside-Down telescopic fork	Front suspension	Upside-Down telescopic fork
Diameter	Diameter	41 mm	Diameter	41 mm
Travel	Travel	120 mm	Travel	120 mm
Adjustment	Adjustment	Preload, Rebound	Adjustment	Compression, Preload, Rebound

Suspension Rear

Suspension	Suspension	Swing arm	Suspension	Swing arm
Shock absorber	Shock absorber	Monoshock	Shock absorber	Monoshock
Travel	Travel	140 mm	Travel	130 mm
Adjustment	Adjustment	Preload, Rebound	Adjustment	Preload, Rebound
Material	Material	Aluminium	Material	Aluminium

Chassis

Frame	Frame	Steel	Frame	Aluminium
Frame type	Frame type	Double cradle	Frame type	Load-bearing engine
Rake	Rake	65 degree	Rake	65.9 degree
Trail	Trail	105 mm	Trail	104.6 mm

Brakes Front

Type	Type	Double disk	Type	Double disk
Diameter	Diameter	300 mm	Diameter	320 mm
Piston	Piston	Four pistons	Piston	Four pistons
Technology	Technology	Petal	Technology	radial

Brakes Rear

Type	Type	Disc	Type	Disc
Diameter	Diameter	250 mm	Diameter	220 mm
Piston	Piston	Single piston	Piston	Double piston

Assistance Systems

Advanced Rider Assistance Systems	Advanced Rider Assistance Systems	ABS	Advanced Rider Assistance Systems	ABS, Riding modes, Launch-Control, Ride by Wire, Quickshifter, Traction control, Anti-wheelie

Dimensions and Weights

Front tyre width	Front tyre width	120 mm	Front tyre width	120 mm
Front tyre height	Front tyre height	70 %	Front tyre height	70 %
Front tyre diameter	Front tyre diameter	17 inch	Front tyre diameter	17 inch
Rear tyre width	Rear tyre width	180 mm	Rear tyre width	180 mm
Rear tyre height	Rear tyre height	55 %	Rear tyre height	55 %
Rear tyre diameter	Rear tyre diameter	17 inch	Rear tyre diameter	17 inch
Length	Length	2,070 mm	Length	1,995 mm
Width	Width	820 mm	Width	745 mm
Wheelbase	Wheelbase	1,450 mm	Wheelbase	1,370 mm
Seat Height	Seat Height	795 mm	Seat Height	820 mm
Kerb Weight (with ABS)	Kerb Weight (with ABS)	210 kg	Kerb Weight (with ABS)	183 kg
License compliancy	License compliancy	A	License compliancy	A