Kawasaki Ninja 400 2018 vs. Kawasaki Z650 2021

Kawasaki Ninja 400 2018

Kawasaki Ninja 400 2018

Kawasaki Z650 2021

Kawasaki Z650 2021

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Overview - Kawasaki Ninja 400 2018 vs Kawasaki Z650 2021

The Kawasaki Ninja 400 2018 and the Kawasaki Z650 2021 are both popular models from Kawasaki, but they have some key differences in terms of specifications and strengths.

Starting with the Kawasaki Ninja 400 2018, it is a supersport motorcycle with a 399cc inline engine. It has a power output of 45 HP and a torque of 38 Nm. The engine features a 11.5 compression ratio and a fuel injection system. The Ninja 400 has a liquid cooling system and a displacement of 399cc. In terms of suspension, it has a telescopic fork front suspension with a diameter of 41 mm, and a swing arm rear suspension with a monoshock and preload adjustment. The frame is made of steel and has a tubular design. The Ninja 400 has a rake of 63 degrees and a trail of 93 mm. It is equipped with a single disk front brake with a diameter of 310 mm and double piston technology. The Ninja 400 also features ABS as an advanced rider assistance system. The front tire has a width of 110 mm and a diameter of 17 inches, while the rear tire has a width of 150 mm and a diameter of 17 inches. The wheelbase is 1370 mm and the seat height is 785 mm. The Ninja 400 has a kerb weight of 168 kg with ABS and a fuel tank capacity of 14 liters.

On the other hand, the Kawasaki Z650 2021 is a naked bike with a 649cc inline engine. It has a power output of 68.2 HP and a torque of 65.7 Nm. The engine features a 10.8 compression ratio and a fuel injection system. Similar to the Ninja 400, the Z650 also has a liquid cooling system and a displacement of 649cc. In terms of suspension, it has a telescopic fork front suspension with a diameter of 41 mm, and a swing arm rear suspension with a monoshock and preload adjustment. The frame is made of steel and has a tubular design. The Z650 has a rake of 65.5 degrees and a trail of 100 mm. It is equipped with double disk front brakes with a diameter of 300 mm and double piston technology. Similar to the Ninja 400, the Z650 also features ABS as an advanced rider assistance system. The front tire has a width of 120 mm and a diameter of 17 inches, while the rear tire has a width of 160 mm and a diameter of 17 inches. The wheelbase is 1410 mm and the seat height is 790 mm. The Z650 has a kerb weight of 187.1 kg with ABS and a fuel tank capacity of 15 liters.

Kawasaki Ninja 400 2018

Kawasaki Ninja 400 2018

In terms of strengths, the Kawasaki Ninja 400 2018 has a chassis suitable for sporty use, allowing for effortless handling. Its low weight contributes to its nimble nature. The engine provides smooth response, and the relaxed and confidence-enhancing seating position adds to the overall comfort. Additionally, the Ninja 400 is equipped with LED headlights, which provide enhanced visibility.

On the other hand, the Kawasaki Z650 2021 has its own strengths. It features an accessible two-cylinder engine and compact dimensions, making it suitable for riders of various skill levels. The low seat height adds to the accessibility of the bike. The Z650 also has a stable chassis, allowing for confident handling. It is equipped with a TFT display with connectivity, providing modern features for riders. Additionally, the Z650 has a grown-up look, appealing to riders who prefer a more mature aesthetic.

Kawasaki Z650 2021

Kawasaki Z650 2021

However, both models have their weaknesses as well. The Kawasaki Ninja 400 2018 has brake and clutch levers that are not adjustable, which may not suit the preferences of all riders. Additionally, riders over 180cm tall may experience enormously loud wind noise with the original windshield.

On the other hand, the Kawasaki Z650 2021 may be uncomfortable for tall riders due to its compact dimensions. Furthermore, some riders may find that the adrenaline level in the saddle is lower compared to the competition.

In conclusion, the Kawasaki Ninja 400 2018 and the Kawasaki Z650 2021 are both impressive motorcycles with their own unique features and strengths. The Ninja 400 excels in its sporty nature, lightweight design, and smooth engine response, while the Z650 offers accessibility, stability, and modern features. Riders should consider their preferences and intended use when choosing between these two models.

Technical Specifications Kawasaki Ninja 400 2018 compared to Kawasaki Z650 2021

Kawasaki Ninja 400 2018
Kawasaki Z650 2021

Engine and Drive Train

Engine typeEngine typeIn lineEngine typeIn line
BoreBore70 mmBore83 mm
StrokeStroke51.8 mmStroke60 mm
Engine powerEngine power45 HPEngine power68.2 HP
Rpm at Max. PowerRpm at Max. Power10,000 rpmRpm at Max. Power8,000 rpm
TorqueTorque38 NmTorque65.7 Nm
Rpm at TorqueRpm at Torque8,000 rpmRpm at Torque7,000 rpm
Compression RatioCompression Ratio11.5 Compression Ratio10.8
Fuel systemFuel systemInjectionFuel systemInjection
Throttle BoreThrottle Bore32 mmThrottle Bore36 mm
StarterStarterElectricStarterElectric
Clutch TypeClutch TypeMultiplate in oil-bathClutch TypeMultiplate in oil-bath
IgnitionIgnitionDigitalIgnitionDigital
TransmissionTransmissionChainTransmissionChain
Transmission TypeTransmission TypeGearshiftTransmission TypeGearshift
Number of gearsNumber of gears6Number of gears6
CylindersCylinders2Cylinders2
StrokesStrokes4-StrokeStrokes4-Stroke
Valves per cylinderValves per cylinder4Valves per cylinder4
CoolingCoolingliquidCoolingliquid
DisplacementDisplacement399 ccmDisplacement649 ccm

Suspension Front

Front suspensionFront suspensionTelescopic forkFront suspensionTelescopic fork
DiameterDiameter41 mmDiameter41 mm
TravelTravel120 mmTravel125 mm

Suspension Rear

SuspensionSuspensionSwing armSuspensionSwing arm
Shock absorberShock absorberMonoshockShock absorberMonoshock
TravelTravel132 mmTravel130 mm
AdjustmentAdjustmentPreloadAdjustmentPreload

Chassis

FrameFrameSteelFrameSteel
Frame typeFrame typeTubularFrame typeTubular
RakeRake63 degreeRake65.5 degree
TrailTrail93 mmTrail100 mm

Brakes Front

TypeTypeSingle diskTypeDouble disk
DiameterDiameter310 mmDiameter300 mm
PistonPistonDouble pistonPistonDouble piston
Shock mountShock mountSemi-SchwimmsattelShock mountSemi-Schwimmsattel
TechnologyTechnologyPetalTechnologyPetal

Brakes Rear

TypeTypeDiscTypeDisc
DiameterDiameter220 mmDiameter220 mm
PistonPistonDouble pistonPistonSingle piston
Shock mountShock mountFloating caliperShock mountFloating caliper

Assistance Systems

Advanced Rider Assistance SystemsAdvanced Rider Assistance SystemsABSAdvanced Rider Assistance SystemsABS

Dimensions and Weights

Front tyre widthFront tyre width110 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 width150 mmRear tyre width160 mm
Rear tyre heightRear tyre height60 %Rear tyre height60 %
Rear tyre diameterRear tyre diameter17 inchRear tyre diameter17 inch
LengthLength1,990 mmLength2,055 mm
WheelbaseWheelbase1,370 mmWheelbase1,410 mm
Seat HeightSeat Height785 mmSeat Height790 mm
Kerb Weight (with ABS)Kerb Weight (with ABS)168 kgKerb Weight (with ABS)187.1 kg
Fuel Tank CapacityFuel Tank Capacity14 lFuel Tank Capacity15 l
License compliancyLicense compliancyA2License compliancyA

Pros and Cons in comparison

Pros and Cons in comparison

Kawasaki Ninja 400 2018

Kawasaki Ninja 400 2018

In summary, the Ninja 400 could be described as the perfect entry into the supersport world. You can't get more power with A2, the looks suggest much more power, the vehicle is playful to ride, is forgiving in every respect and still allows a really sporty riding style. Those who had legitimate concerns about the lack of power on the various 250 cubic machines now have no more excuses. Ninja 400, it's good to have you!

chassis suitable for sporty use

low weight and correspondingly effortless handling

engine with smooth response

relaxed and confidence-enhancing seating position

LED headlights

Brake and clutch levers not adjustable

enormously loud wind noise with original windshield for riders over 180cm tall

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 Ninja 400 vs Kawasaki Z650

There are a few key differences between a Kawasaki Ninja 400 2018 and a Kawasaki Z650 2021. In terms of price, the actual average price of a Kawasaki Z650 2021 is about 14% higher. Compared to Kawasaki Z650 2021 there are less Kawasaki Ninja 400 2018 bikes available on the 1000PS.de Marketplace, specifically 10 compared to 25. It takes less time to sell a Kawasaki Ninja 400 with 105 days compared to 106 days for a Kawasaki Z650. Since model year 2018 1000PS.de editors have written 9 reviews for the Kawasaki Ninja 400 and 31 reviews for the Kawasaki Z650 since model year 2017. The first review for the Kawasaki Ninja 400 was published on 11/22/2017 and now has more than 44,300 views. This compares to more than 25,000 views for the first review on Kawasaki Z650 published on 11/8/2016.

Price Kawasaki Ninja 400

Model year
Current average market prices

Price Kawasaki Z650

Model year
Current average market prices

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