Kawasaki Z900 70kW 2018 vs. Kawasaki Z650 2021

Kawasaki Z900 70kW 2018

Kawasaki Z900 70kW 2018

Kawasaki Z650 2021

Kawasaki Z650 2021

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Overview - Kawasaki Z900 70kW 2018 vs Kawasaki Z650 2021

The Kawasaki Z900 70kW model year 2018 and the Kawasaki Z650 model year 2021 are both naked bikes from Kawasaki, but they have some key differences in terms of specifications and strengths.

Starting with the Kawasaki Z900 70kW 2018, it is equipped with a powerful in-line 4-cylinder engine that produces 95 HP of power and 91.2 Nm of torque. The engine is known for its smoothness and punch at around 6000 rpm. The bike has a fuel injection system and a displacement of 948cc. The cooling system is liquid-based, ensuring efficient heat dissipation. The Z900 70kW features a double cradle steel frame, which provides stability and rigidity. The front suspension is an upside-down telescopic fork, while the rear suspension is a swing arm with a monoshock. The suspension can be adjusted for preload and rebound. The bike is equipped with double disk brakes at the front, with a diameter of 300mm and four pistons. The braking technology used is petal. The Z900 70kW also features ABS as an advanced rider assistance system. The front tire width is 120mm, and the rear tire width is 180mm. The wheelbase is 1450mm, and the seat height is 795mm. The bike has a kerb weight of 210kg with ABS.

Kawasaki Z900 70kW 2018

Kawasaki Z900 70kW 2018

On the other hand, the Kawasaki Z650 2021 is powered by an in-line 2-cylinder engine that produces 68.2 HP of power and 65.7 Nm of torque. The engine is also fuel-injected and has a displacement of 649cc. The cooling system is liquid-based, similar to the Z900 70kW. The Z650 has a tubular steel frame, which provides stability and strength. The front suspension is a telescopic fork, and the rear suspension is a swing arm with a monoshock. The suspension can be adjusted for preload. The bike is equipped with double disk brakes at the front, with a diameter of 300mm and double pistons. The braking technology used is petal, similar to the Z900 70kW. ABS is also included as an advanced rider assistance system. The front tire width is 120mm, and the rear tire width is 160mm. The wheelbase is slightly shorter than the Z900 70kW at 1410mm, and the seat height is 790mm. The Z650 has a kerb weight of 187.1kg with ABS.

In terms of strengths, the Z900 70kW 2018 is praised for its smooth engine performance, especially at around 6000 rpm. The brakes are finely controllable, and the bike has a smooth running engine, making it suitable for city traffic. The typical 4-cylinder shriek is present, but it is restrained at low revs. The bike is stable at motorway speeds and offers good handling.

On the other hand, the Z650 2021 is appreciated for its accessible two-cylinder engine, compact dimensions, and low seat height. The chassis is stable, and the bike has a grown-up look. It also features a TFT display with connectivity, adding a modern touch to the bike.

Kawasaki Z650 2021

Kawasaki Z650 2021

However, both bikes have their weaknesses. The Z900 70kW 2018 may feel quite small for tall riders, and its weight of 210kg can make acceleration with 48hp rather poor. On the other hand, the Z650 2021 may not be comfortable for tall riders, and its adrenaline level in the saddle is considered lower compared to its competition.

In conclusion, the Kawasaki Z900 70kW 2018 and the Kawasaki Z650 2021 have their own strengths and weaknesses. The Z900 70kW offers more power and a larger engine, making it suitable for those seeking a more powerful naked bike. On the other hand, the Z650 2021 is more accessible in terms of dimensions and seat height, making it a good option for riders who prefer a smaller and more manageable bike.

Technical Specifications Kawasaki Z900 70kW 2018 compared to Kawasaki Z650 2021

Kawasaki Z900 70kW 2018
Kawasaki Z650 2021

Engine and Drive Train

Engine typeEngine typeIn lineEngine typeIn line
BoreBore73.4 mmBore83 mm
StrokeStroke56 mmStroke60 mm
Engine powerEngine power95 HPEngine power68.2 HP
Rpm at Max. PowerRpm at Max. Power8,500 rpmRpm at Max. Power8,000 rpm
TorqueTorque91.2 NmTorque65.7 Nm
Rpm at TorqueRpm at Torque6,500 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 SystemsABSAdvanced 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

Pros and Cons in comparison

Pros and Cons in comparison

Kawasaki Z900 70kW 2018

Kawasaki Z900 70kW 2018

The Z900 is a top entry-level motorbike. Very smooth engine, great brakes and lots of adjustment options on the chassis and levers. The acceleration may be too good for speed junkies, but it's just right for learning. The lack of electronic gimmicks, riding modes and traction control doesn't bother either, but makes the Z900 a good bike to learn the basics of two-wheeled locomotion. A high-quality purist, a real motorbike, even with only 48 hp!

Smooth engine with punch at approx. 6000 rpm

Finely controllable brakes

Smooth running of the engine super for city traffic

Typical 4-cylinder shriek, but very restrained at low revs

Stable at motorway speeds

Good handling

Quite small for tall people

rather high weight of 210 kg

acceleration with 48 hp rather poor due to weight

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 70kW vs Kawasaki Z650

There are a few key differences between a Kawasaki Z900 70kW 2018 and a Kawasaki Z650 2021. In terms of price, the actual average price of a Kawasaki Z900 70kW 2018 is about 30% higher. Compared to Kawasaki Z650 2021 there are less Kawasaki Z900 70kW 2018 bikes available on the 1000PS.de Marketplace, specifically 5 compared to 25. It takes less time to sell a Kawasaki Z650 with 106 days compared to 194 days for the Kawasaki Z900 70kW. Since model year 2018 1000PS.de editors have written 10 reviews for the Kawasaki Z900 70kW and 31 reviews for the Kawasaki Z650 since model year 2017. The first review for the Kawasaki Z900 70kW was published on 11/23/2018 and now has more than 104,300 views. This compares to more than 25,000 views for the first review on Kawasaki Z650 published on 11/8/2016.

Price Kawasaki Z900 70kW

Model year
Current average market prices

Price Kawasaki Z650

Model year
Current average market prices

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