Kawasaki Z900 2021 vs. Kawasaki Z650 2021

Kawasaki Z900 2021

Kawasaki Z900 2021

Kawasaki Z650 2021

Kawasaki Z650 2021

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Overview - Kawasaki Z900 2021 vs Kawasaki Z650 2021

The Kawasaki Z900 2021 is a naked bike that boasts a powerful four-cylinder engine. With an engine power of 125.4 HP and torque of 98.6 Nm, it offers impressive performance on the road. The fuel system is injection-based, ensuring efficient fuel consumption. The bike features a liquid cooling system to prevent overheating during long rides. The engine displacement is 948 ccm, providing ample power for thrilling acceleration.

In terms of suspension, the Z900 2021 is equipped with an upside-down telescopic fork at the front and a swing arm with a monoshock at the rear. The suspension can be adjusted for preload and rebound, allowing riders to customize their riding experience. The frame of the bike is made of steel, providing stability and durability. The double cradle frame type further enhances the bike's overall strength.

When it comes to braking, the Z900 2021 is equipped with double disk brakes at the front with a diameter of 300 mm and four pistons for enhanced stopping power. The technology used for the brakes is petal, ensuring efficient heat dissipation during intense braking maneuvers. The bike also features advanced rider assistance systems, including ABS, riding modes, ride by wire, and traction control, enhancing safety and control.

In terms of dimensions and weights, the Z900 2021 has a front tire width of 120 mm and a diameter of 17 inches. The rear tire width is 180 mm with the same 17-inch diameter. The wheelbase measures 1450 mm, providing stability and agility on the road. The seat height is 795 mm, offering a comfortable riding position for most riders. The kerb weight of the bike, including ABS, is 210 kg.

Kawasaki Z900 2021

Kawasaki Z900 2021

The Z900 2021 is equipped with LED daytime running lights, LED headlights, and a TFT display, enhancing visibility and providing a modern and stylish look.

On the other hand, the Kawasaki Z650 2021 is also a naked bike but with a more accessible two-cylinder engine. It has an engine power of 68.2 HP and torque of 65.7 Nm, offering a more moderate performance compared to the Z900. The fuel system is injection-based, ensuring efficient fuel consumption. The bike features a liquid cooling system to prevent overheating during long rides. The engine displacement is 649 ccm, providing sufficient power for enjoyable rides.

In terms of suspension, the Z650 2021 is equipped with a telescopic fork at the front and a swing arm with a monoshock at the rear. The suspension can be adjusted for preload, allowing riders to fine-tune their riding experience. The frame of the bike is made of steel, providing stability and durability. The tubular frame type further enhances the bike's overall strength.

The Z650 2021 features double disk brakes at the front with a diameter of 300 mm and double pistons for reliable braking performance. The technology used for the brakes is petal, ensuring efficient heat dissipation. The bike also features ABS as an advanced rider assistance system, enhancing safety.

In terms of dimensions and weights, the Z650 2021 has a front tire width of 120 mm and a diameter of 17 inches. The rear tire width is 160 mm with the same 17-inch diameter. The wheelbase measures 1410 mm, providing stability and agility on the road. The seat height is 790 mm, offering a low and accessible riding position. The kerb weight of the bike, including ABS, is 187.1 kg.

Kawasaki Z650 2021

Kawasaki Z650 2021

The Z650 2021 is equipped with LED daytime running lights, LED headlights, and a TFT display with connectivity, offering modern features and convenience. It has a grown-up look, appealing to riders who prefer a more mature aesthetic.

In terms of strengths, the Z900 2021 stands out with its powerful four-cylinder engine, intuitive handling, good equipment, aggressive looks, and value for money. On the other hand, the Z650 2021 excels with its accessible two-cylinder engine, compact dimensions, low seat height, stable chassis, TFT display with connectivity, and grown-up look.

However, the Z900 2021 does have some weaknesses, including the absence of a quickshifter option and competition from bikes with a 6-axis IMU that offer more advanced electronic features. On the other hand, the Z650 2021 may be uncomfortable for tall riders, and its adrenaline level in the saddle might be lower compared to its competition.

Overall, both the Kawasaki Z900 2021 and the Kawasaki Z650 2021 offer unique features and strengths, catering to different riders' preferences and riding styles.

Technical Specifications Kawasaki Z900 2021 compared to Kawasaki Z650 2021

Kawasaki Z900 2021
Kawasaki Z650 2021

Engine and Drive Train

Engine typeEngine typeIn lineEngine typeIn line
BoreBore73.4 mmBore83 mm
StrokeStroke56 mmStroke60 mm
Engine powerEngine power125.4 HPEngine power68.2 HP
Rpm at Max. PowerRpm at Max. Power9,500 rpmRpm at Max. Power8,000 rpm
TorqueTorque98.6 NmTorque65.7 Nm
Rpm at TorqueRpm at Torque7,700 rpmRpm at Torque7,000 rpm
Compression RatioCompression Ratio11.8 Compression Ratio10.8
Fuel systemFuel systemInjectionFuel systemInjection
Throttle BoreThrottle Bore36 mmThrottle Bore36 mm
Clutch TypeClutch TypeMultiplate in oil-bathClutch TypeMultiplate in oil-bath
IgnitionIgnitionDigitalIgnitionDigital
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 ccmDisplacement649 ccm

Suspension Front

Front suspensionFront suspensionUpside-Down telescopic forkFront suspensionTelescopic fork
DiameterDiameter41 mmDiameter41 mm
TravelTravel120 mmTravel125 mm

Suspension Rear

SuspensionSuspensionSwing armSuspensionSwing arm
Shock absorberShock absorberMonoshockShock absorberMonoshock
Shock mountShock mountDeflectionShock mountDeflection
TravelTravel140 mmTravel130 mm
AdjustmentAdjustmentPreload, ReboundAdjustmentPreload

Chassis

FrameFrameSteelFrameSteel
Frame typeFrame typeDouble cradleFrame typeTubular
RakeRake65 degreeRake65.5 degree
TrailTrail105 mmTrail100 mm

Brakes Front

TypeTypeDouble diskTypeDouble disk
DiameterDiameter300 mmDiameter300 mm
PistonPistonFour pistonsPistonDouble piston
Shock mountShock mountFixed caliperShock mountSemi-Schwimmsattel
TechnologyTechnologyPetalTechnologyPetal

Brakes Rear

TypeTypeDiscTypeDisc
DiameterDiameter250 mmDiameter220 mm
PistonPistonSingle pistonPistonSingle piston

Assistance Systems

Advanced Rider Assistance SystemsAdvanced Rider Assistance SystemsABS, Riding modes, Ride by Wire, Traction controlAdvanced Rider Assistance SystemsABS

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 width160 mm
Rear tyre heightRear tyre height55 %Rear tyre height60 %
Rear tyre diameterRear tyre diameter17 inchRear tyre diameter17 inch
LengthLength2,070 mmLength2,055 mm
WheelbaseWheelbase1,450 mmWheelbase1,410 mm
Seat HeightSeat Height795 mmSeat Height790 mm
Kerb Weight (with ABS)Kerb Weight (with ABS)210 kgKerb Weight (with ABS)187.1 kg
License compliancyLicense compliancyALicense compliancyA

Equipment

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

Pros and Cons in comparison

Pros and Cons in comparison

Kawasaki Z900 2021

Kawasaki Z900 2021

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, except for the lack of a quickshifter option.

powerful four-cylinder

intuitive handling

good equipment

aggressive looks

value for money

No quickshifter option

competitors with 6-axis IMU electronically ahead.

Kawasaki Z650 2021

Kawasaki Z650 2021

Even in 2021, the Kawasaki Z 650 stands for easy riding with great looks and good equipment. Both seat height and engine are very accessible and will give both experienced riders and newcomers a lot of pleasure. If you are looking for an honest naked bike without any big surprises, this is the bike for you. Due to its compact dimensions, however, you should try it out before buying and perhaps go for the raised seat.

accessible two-cylinder

compact dimensions

low seat height

stable chassis

TFT display with connectivity

grown-up look

Probably uncomfortable for tall riders

adrenaline level in the saddle lower than with the competition

Price Comparison Avarage Market Price Kawasaki Z900 vs Kawasaki Z650

There are a few key differences between a Kawasaki Z900 2021 and a Kawasaki Z650 2021. In terms of price, the actual average price of a Kawasaki Z900 2021 is about 33% higher. Compared to Kawasaki Z650 2021 there are more Kawasaki Z900 2021 bikes available on the 1000PS.de Marketplace, specifically 34 compared to 24. It takes less time to sell a Kawasaki Z650 with 106 days compared to 107 days for the Kawasaki Z900. Since model year 2017 1000PS.de editors have written 46 reviews for the Kawasaki Z900 and 31 reviews for the Kawasaki Z650 since model year 2017. 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 25,000 views for the first review on Kawasaki Z650 published on 08/11/2016.

Price Kawasaki Z900

Model year
Current average market prices

Price Kawasaki Z650

Model year
Current average market prices

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