Aprilia RS 660 2021 vs. Kawasaki Z900 2020

Aprilia RS 660 2021

Aprilia RS 660 2021

Kawasaki Z900 2020

Kawasaki Z900 2020

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Overview - Aprilia RS 660 2021 vs Kawasaki Z900 2020

Aprilia RS 660 2021

Aprilia RS 660 2021

Kawasaki Z900 2020

Kawasaki Z900 2020

Technical Specifications Aprilia RS 660 2021 compared to Kawasaki Z900 2020

Aprilia RS 660 2021
Kawasaki Z900 2020

Engine and Drive Train

Engine typeEngine typeIn line crankpin offsetEngine typeIn line
BoreBore81 mmBore73.4 mm
StrokeStroke63.93 mmStroke56 mm
Engine powerEngine power100 HPEngine power125.4 HP
Rpm at Max. PowerRpm at Max. Power10,500 rpmRpm at Max. Power9,500 rpm
TorqueTorque67 NmTorque98.6 Nm
Rpm at TorqueRpm at Torque8,500 rpmRpm at Torque7,700 rpm
Compression RatioCompression Ratio13.5 Compression Ratio11.8
Fuel systemFuel systemInjectionFuel systemInjection
Clutch TypeClutch TypeMultiplate in oil-bath, AntihoppingClutch TypeMultiplate in oil-bath
TransmissionTransmissionChainTransmissionChain
Transmission TypeTransmission TypeGearshiftTransmission TypeGearshift
Number of gearsNumber of gears6Number of gears6
CylindersCylinders2Cylinders4
StrokesStrokes4-StrokeStrokes4-Stroke
Valves per cylinderValves per cylinder4Valves per cylinder4
ValvesValvesDOHCValvesDOHC
CoolingCoolingliquidCoolingliquid
DisplacementDisplacement659 ccmDisplacement948 ccm

Suspension Front

Front suspensionFront suspensionUpside-Down telescopic forkFront suspensionUpside-Down telescopic fork
DiameterDiameter41 mmDiameter41 mm
TravelTravel120 mmTravel120 mm
AdjustmentAdjustmentCompression, Preload, ReboundAdjustmentPreload, Rebound

Suspension Rear

SuspensionSuspensionSwing armSuspensionSwing arm
Shock absorberShock absorberMonoshockShock absorberMonoshock
TravelTravel130 mmTravel140 mm
AdjustmentAdjustmentPreload, ReboundAdjustmentPreload, Rebound
MaterialMaterialAluminiumMaterialAluminium

Chassis

FrameFrameAluminiumFrameSteel
Frame typeFrame typeLoad-bearing engineFrame typeDouble cradle
RakeRake65.9 degreeRake65 degree
TrailTrail104.6 mmTrail105 mm

Brakes Front

TypeTypeDouble diskTypeDouble disk
DiameterDiameter320 mmDiameter300 mm
PistonPistonFour pistonsPistonFour pistons
TechnologyTechnologyradialTechnologyPetal

Brakes Rear

TypeTypeDiscTypeDisc
DiameterDiameter220 mmDiameter250 mm
PistonPistonDouble pistonPistonSingle piston

Assistance Systems

Advanced Rider Assistance SystemsAdvanced Rider Assistance SystemsABS, Riding modes, Launch-Control, Ride by Wire, Quickshifter, Traction control, Anti-wheelieAdvanced Rider Assistance SystemsABS, Riding modes, Ride by Wire, Traction control

Dimensions and Weights

Front tyre widthFront tyre width120 mmFront tyre width120 mm
Front tyre heightFront tyre height70 %Front tyre height70 %
Front tyre diameterFront tyre diameter17 inchFront tyre diameter17 inch
Rear tyre widthRear tyre width180 mmRear tyre width180 mm
Rear tyre heightRear tyre height55 %Rear tyre height55 %
Rear tyre diameterRear tyre diameter17 inchRear tyre diameter17 inch
LengthLength1,995 mmLength2,070 mm
WidthWidth745 mmWidth820 mm
WheelbaseWheelbase1,370 mmWheelbase1,450 mm
Seat HeightSeat Height820 mmSeat Height795 mm
Kerb Weight (with ABS)Kerb Weight (with ABS)183 kgKerb Weight (with ABS)210 kg
License compliancyLicense compliancyALicense compliancyA

Equipment

EquipmentEquipmentLED-HeadlightsEquipmentLED daytime running lights, LED-Headlights, TFT display

Pros and Cons in comparison

Pros and Cons in comparison

Aprilia RS 660 2021

Aprilia RS 660 2021

In 2021, the Aprilia RS 660 can be seen as the last true 600cc supersport, because with its sporty seating position and high-quality chassis components, it hits the sweet spot between suitability for everyday use and trackday potential. Thanks to the comprehensive electronics package, nothing is left to be desired on the road or on the track - and you can't complain about the powerful two-cylinder anyway. A great package for all those for whom 200+ hp superbikes are too much for everyday use.

powerful engine

extensive electronics package

sporty chassis

nice sound

low weight

sporty look

poorly readable rev counter

Kawasaki Z900 2020

Kawasaki Z900 2020

In terms of price-performance, the Kawasaki Z900 is hard to beat at the moment. With the perfectly tuned engine, the high-quality chassis components and the electronics added for 2020, this naked bike offers everything that sporty riders will be looking for. There is really nothing to complain about, even if the option of a quickshifter would have been a nice extra. Apart from that: great shot, Kawasaki!

powerful four-cylinder

great handling

good equipment

aggressive looks

value for money

Menu navigation somewhat tiring

missing quickshifter option

Price Comparison Avarage Market Price Aprilia RS 660 vs Kawasaki Z900

Price Aprilia RS 660

Model year
Current average market prices

Price Kawasaki Z900

Model year
Current average market prices

Alternative Comparisons

1000PS Partner

LOUISContinental MotorradreifenMotorex AGcalimoto GmbHSchuberth