Aprilia RS 660 35kW 2026 vs. Kawasaki Z900 70kW 2026

Technical Specifications Aprilia RS 660 35kW 2026 compared to Kawasaki Z900 70kW 2026

Aprilia RS 660 35kW 2026

Kawasaki Z900 70kW 2026

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Differences

Aprilia RS 660 35kW 2026

Kawasaki Z900 70kW 2026

Engine and Drive Train

Engine type	Engine type	In line crankpin offset	Engine type	In line
Bore	Bore	81 mm	Bore	73.4 mm
Stroke	Stroke	63.93 mm	Stroke	56 mm
Engine power	Engine power	48 HP	Engine power	95 HP
Rpm at Max. Power	Rpm at Max. Power	5,500 rpm	Rpm at Max. Power	7,200 rpm
Torque	Torque	62 Nm	Torque	92.8 Nm
Rpm at Torque	Rpm at Torque	5,500 rpm	Rpm at Torque	72 rpm
Compression Ratio	Compression Ratio	13.5	Compression Ratio	11.8
Fuel system	Fuel system	Injection	Fuel system	Injection
Clutch Type	Clutch Type	Multiplate in oil-bath, Antihopping, Clutch systems	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	6	Number of gears	6
Cylinders	Cylinders	2	Cylinders	4
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	659 ccm	Displacement	948 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	Compression, Preload, Rebound	Adjustment	Preload, Rebound

Suspension Rear

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

Chassis

Frame	Frame	Aluminium	Frame	Steel
Frame type	Frame type	Load-bearing engine	Frame type	Double cradle
Trail	Trail	104.6 mm	Trail	110 mm

Brakes Front

Type	Type	Double disk	Type	Double disk
Diameter	Diameter	320 mm	Diameter	300 mm
Piston	Piston	Four pistons	Piston	Four pistons
Shock mount	Shock mount	Floating caliper	Shock mount	Fixed caliper
Technology	Technology	radial	Technology	Petal

Brakes Rear

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

Assistance Systems

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

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	1,995 mm	Length	2,065 mm
Width	Width	745 mm	Width	830 mm
Height	Height	1,150 mm	Height	1,075 mm
Wheelbase	Wheelbase	1,370 mm	Wheelbase	1,450 mm
Seat Height	Seat Height	820 mm	Seat Height	830 mm
Kerb Weight (with ABS)	Kerb Weight (with ABS)	183 kg	Kerb Weight (with ABS)	213 kg
Fuel Tank Capacity	Fuel Tank Capacity	15 l	Fuel Tank Capacity	17 l
License compliancy	License compliancy	A2	License compliancy	A
Range	Range	312 km	Range	354 km
Combined CO2 emissions	Combined CO2 emissions	110 g/km	Combined CO2 emissions	113 g/km
Combined fuel consumption	Combined fuel consumption	4.8 l/100km	Combined fuel consumption	4.7 l/100km
Euro Norm	Euro Norm	Euro 5+	Euro Norm	Euro 5+

Equipment

Equipment	Equipment	LED-Headlights, Lighting	Equipment	LED daytime running lights, LED-Headlights, TFT display, Modern electronics, Lighting