Kawasaki Z900 2020 vs. Aprilia Tuono 660 2021

Kawasaki Z900 2020

Kawasaki Z900 2020

Aprilia Tuono 660 2021

Aprilia Tuono 660 2021

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Overview - Kawasaki Z900 2020 vs Aprilia Tuono 660 2021

When comparing the Kawasaki Z900 2020 and the Aprilia Tuono 660 2021, it is important to consider their technical specifications, strengths, and weaknesses.

In terms of engine and drive train, the Kawasaki Z900 2020 features an in-line four-cylinder engine with a power output of 125.4 HP and torque of 98.6 Nm. It has a fuel injection system and a displacement of 948 ccm. On the other hand, the Aprilia Tuono 660 2021 has an in-line crankpin offset twin-cylinder engine with a power output of 95 HP and torque of 67 Nm. It also has a fuel injection system and a displacement of 659 ccm. Both bikes have liquid cooling.

In terms of suspension, both bikes feature upside-down telescopic forks in the front and a swing arm with a monoshock in the rear. They also have adjustable preload and rebound settings. The Aprilia Tuono 660 2021 has an aluminum rear suspension, while the Kawasaki Z900 2020 has an aluminum rear shock absorber.

Kawasaki Z900 2020

Kawasaki Z900 2020

In terms of chassis, the Kawasaki Z900 2020 has a steel frame with a double cradle design, while the Aprilia Tuono 660 2021 has an aluminum frame with a load-bearing engine design.

When it comes to brakes, both bikes have double disk brakes in the front with a diameter of 300 mm for the Kawasaki Z900 2020 and 320 mm for the Aprilia Tuono 660 2021. They both have four-piston calipers, but the Aprilia Tuono 660 2021 features radial technology.

In terms of advanced rider assistance systems, both bikes have ABS, riding modes, and ride by wire. The Aprilia Tuono 660 2021 also has additional features such as launch control, quickshifter, traction control, and anti-wheelie. However, some of these features may come at an extra cost.

In terms of dimensions and weights, the Kawasaki Z900 2020 has a front tire width of 120 mm and a diameter of 17 inches, while the Aprilia Tuono 660 2021 has the same specifications. The rear tire width is also the same for both bikes at 180 mm with a diameter of 17 inches. The Kawasaki Z900 2020 has a wheelbase of 1450 mm and a seat height of 795 mm, while the Aprilia Tuono 660 2021 has a wheelbase of 1370 mm and a seat height of 820 mm. The kerb weight with ABS is 210 kg for the Kawasaki Z900 2020 and 183 kg for the Aprilia Tuono 660 2021.

Aprilia Tuono 660 2021

Aprilia Tuono 660 2021

In terms of equipment, the Kawasaki Z900 2020 features LED daytime running lights, LED headlights, and a TFT display. The Aprilia Tuono 660 2021 only has LED headlights.

The strengths of the Kawasaki Z900 2020 include its powerful four-cylinder engine, great handling, good equipment, aggressive looks, and value for money. On the other hand, the strengths of the Aprilia Tuono 660 2021 include its easy-to-operate engine with good sound, sporty handling, good ergonomics, decent brakes, and extensive electronics (although some may come at an extra cost).

The weaknesses of the Kawasaki Z900 2020 include somewhat tiring menu navigation and the lack of a quickshifter option. The weaknesses of the Aprilia Tuono 660 2021 include its price/performance ratio not being right and the additional cost for the IMU package.

Technical Specifications Kawasaki Z900 2020 compared to Aprilia Tuono 660 2021

Kawasaki Z900 2020
Aprilia Tuono 660 2021

Engine and Drive Train

Engine typeEngine typeIn lineEngine typeIn line crankpin offset
BoreBore73.4 mmBore81 mm
StrokeStroke56 mmStroke63.93 mm
Engine powerEngine power125.4 HPEngine power95 HP
Rpm at Max. PowerRpm at Max. Power9,500 rpmRpm at Max. Power10,500 rpm
TorqueTorque98.6 NmTorque67 Nm
Rpm at TorqueRpm at Torque7,700 rpmRpm at Torque8,500 rpm
Compression RatioCompression Ratio11.8 Compression Ratio13.5
Fuel systemFuel systemInjectionFuel systemInjection
Clutch TypeClutch TypeMultiplate in oil-bathClutch TypeMultiplate in oil-bath, Antihopping
TransmissionTransmissionChainTransmissionChain
Transmission TypeTransmission TypeGearshiftTransmission TypeGearshift
Number of gearsNumber of gears6Number of gears6
CylindersCylinders4Cylinders2
StrokesStrokes4-StrokeStrokes4-Stroke
Valves per cylinderValves per cylinder4Valves per cylinder4
ValvesValvesDOHCValvesDOHC
CoolingCoolingliquidCoolingliquid
DisplacementDisplacement948 ccmDisplacement659 ccm

Suspension Front

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

Suspension Rear

SuspensionSuspensionSwing armSuspensionSwing arm
Shock absorberShock absorberMonoshockShock absorberMonoshock
TravelTravel140 mmTravel130 mm
AdjustmentAdjustmentPreload, ReboundAdjustmentPreload, Rebound
MaterialMaterialAluminiumMaterialAluminium

Chassis

FrameFrameSteelFrameAluminium
Frame typeFrame typeDouble cradleFrame typeLoad-bearing engine
RakeRake65 degreeRake65.9 degree
TrailTrail105 mmTrail104.6 mm

Brakes Front

TypeTypeDouble diskTypeDouble disk
DiameterDiameter300 mmDiameter320 mm
PistonPistonFour pistonsPistonFour pistons
TechnologyTechnologyPetalTechnologyradial

Brakes Rear

TypeTypeDiscTypeDisc
DiameterDiameter250 mmDiameter220 mm
PistonPistonSingle pistonPistonDouble piston

Assistance Systems

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

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
LengthLength2,070 mmLength1,995 mm
WidthWidth820 mmWidth745 mm
WheelbaseWheelbase1,450 mmWheelbase1,370 mm
Seat HeightSeat Height795 mmSeat Height820 mm
Kerb Weight (with ABS)Kerb Weight (with ABS)210 kgKerb Weight (with ABS)183 kg
License compliancyLicense compliancyALicense compliancyA2, A

Equipment

EquipmentEquipmentLED daytime running lights, LED-Headlights, TFT displayEquipmentLED-Headlights

Pros and Cons in comparison

Pros and Cons in comparison

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

Aprilia Tuono 660 2021

Aprilia Tuono 660 2021

The Tuono delivers on the bends what the name promises. The sporty naked bike rides precisely and you enjoy the sporty corner chase. At the exit of the bend, however, one wishes for more emotion and adrenaline. The sporty expectation is naturally also created by the Tuono's racy appearance and cheeky demeanour. But this expectation is unfortunately not quite fulfilled in the saddle.

Easy-to-operate engine with good sound

successful appearance sporty handling

good ergonomics

decent brakes

extensive electronics - but partly at extra cost

stable and precise chassis

Price / performance ratio not right

IMU package costs extra

Price Comparison Avarage Market Price Kawasaki Z900 vs Aprilia Tuono 660

There are a few key differences between a Kawasaki Z900 2020 and a Aprilia Tuono 660 2021. In terms of price, the actual average price of a Aprilia Tuono 660 2021 is about 15% higher. Compared to Aprilia Tuono 660 2021 there are more Kawasaki Z900 2020 bikes available on the 1000PS.de Marketplace, specifically 34 compared to 16. It takes less time to sell a Aprilia Tuono 660 with 122 days compared to 124 days for the Kawasaki Z900. Since model year 2017 1000PS.de editors have written 46 reviews for the Kawasaki Z900 and 8 reviews for the Aprilia Tuono 660 since model year 2021. The first review for the Kawasaki Z900 was published on 11/11/2016 and now has more than 93,200 views. This compares to more than 52,500 views for the first review on Aprilia Tuono 660 published on 11/5/2019.

Price Kawasaki Z900

Model year
Current average market prices

Price Aprilia Tuono 660

Model year
Current average market prices

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