Kawasaki Ninja 650 2025 vs. Kawasaki Z900 2025

Kawasaki Ninja 650 2025

Kawasaki Ninja 650 2025

Kawasaki Z900 2025

Kawasaki Z900 2025

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Technical Specifications Kawasaki Ninja 650 2025 compared to Kawasaki Z900 2025

Kawasaki Ninja 650 2025
Kawasaki Z900 2025

Engine and Drive Train

Engine typeEngine typeIn lineEngine typeIn line
BoreBore83 mmBore73.4 mm
StrokeStroke60 mmStroke56 mm
Engine powerEngine power68.2 HPEngine power124 HP
Rpm at Max. PowerRpm at Max. Power8,000 rpmRpm at Max. Power9,500 rpm
TorqueTorque65.7 NmTorque97.4 Nm
Rpm at TorqueRpm at Torque7,000 rpmRpm at Torque7,700 rpm
Compression RatioCompression Ratio10.8 Compression Ratio11.8
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
CylindersCylinders2Cylinders4
StrokesStrokes4-StrokeStrokes4-Stroke
Valves per cylinderValves per cylinder4Valves per cylinder4
ValvesValvesDOHCValvesDOHC
CoolingCoolingliquidCoolingliquid
DisplacementDisplacement649 ccmDisplacement948 ccm

Suspension Front

Front suspensionFront suspensionTelescopic forkFront suspensionUpside-Down telescopic fork
DiameterDiameter41 mmDiameter41 mm
TravelTravel125 mmTravel120 mm

Suspension Rear

SuspensionSuspensionSwing armSuspensionSwing arm
Shock absorberShock absorberMonoshockShock absorberMonoshock
Shock mountShock mountDeflectionShock mountDeflection
TravelTravel130 mmTravel140 mm
AdjustmentAdjustmentPreloadAdjustmentPreload, Rebound

Chassis

FrameFrameSteelFrameSteel
Frame typeFrame typeTubularFrame typeDouble cradle
TrailTrail100 mmTrail110 mm

Brakes Front

TypeTypeDouble diskTypeDouble disk
DiameterDiameter300 mmDiameter300 mm
PistonPistonDouble pistonPistonFour pistons
Shock mountShock mountSemi-SchwimmsattelShock mountFixed caliper
TechnologyTechnologyPetalTechnologyPetal

Brakes Rear

TypeTypeDiscTypeDisc
DiameterDiameter220 mmDiameter250 mm
PistonPistonSingle pistonPistonSingle piston

Assistance Systems

Advanced Rider Assistance SystemsAdvanced Rider Assistance SystemsABS, Traction controlAdvanced Rider Assistance SystemsABS, Riding modes, Cornering ABS, Ride by Wire, Shift assistant with blipper, Cruise control, 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 width160 mmRear tyre width180 mm
Rear tyre heightRear tyre height60 %Rear tyre height55 %
Rear tyre diameterRear tyre diameter17 inchRear tyre diameter17 inch
LengthLength2,055 mmLength2,065 mm
WidthWidth740 mmWidth830 mm
HeightHeight1,135 mmHeight1,075 mm
WheelbaseWheelbase1,410 mmWheelbase1,450 mm
Seat HeightSeat Height790 mmSeat Height830 mm
Kerb Weight (with ABS)Kerb Weight (with ABS)193 kgKerb Weight (with ABS)213 kg
Fuel Tank CapacityFuel Tank Capacity15 lFuel Tank Capacity17 l
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 Ninja 650 2025

Kawasaki Ninja 650 2025

Judging the Kawasaki Ninja 650 purely on paper does not do justice to its potential. The engine is clearly not an engine bursting with power for the race track, but an agile but well-behaved journeyman. The sports tourer with supersport looks does exactly what it is supposed to do and presents itself as a real alternative in its class with its appropriate electronics package including traction control. Hobby racers should be warned, however, that the Ninja in the name still fuels a certain sporty expectation that a Ninja 650 cannot fully fulfil.

Fully suitable for touring

pleasantly comfortable

good safety package

very accessible

ergonomically versatile

typical Ninja look

Suspension and brakes only average

adjusting the rear suspension is a hassle

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Kawasaki Z900 2025

Kawasaki Z900 2025

The new Z900 masters the balancing act between modernisation and proven virtues remarkably well. The 6-axle IMU, the precise quickshifter and the new electronics package make it technically absolutely up-to-date, while the characterful four-cylinder engine loses none of its fascination despite Euro 5+. The harmonious setup of all components is particularly impressive: whether suspension, engine or ergonomics - the overall package is just right.

Harmonious engine with impressive acceleration in the mid-range

very well functioning quickshifter with precise responsiveness

mature riding performance with a good compromise between stability and nimble handling

sensitive 6-axle IMU with harmonious control

superbly tuned seating position

excellent engine reponsiveness

confident cornering behaviour with transparent feedback from the front

harmonious electronics that do not restrict riding pleasure

smooth transmission with perfectly tuned ratios

first-class stop-and-go behaviour in city traffic

intuitive bike for beginners and experienced riders

slim waist despite four-cylinder layout

Great 5 inch display but the possibilities are not perfectly utilised with the Rideology app

licence plate holder seems a little carelessly integrated into the design

fuel consumption in practice significantly higher than factory specification (6.0-6.5l instead of 4.8l)

suspension of the basic version a little stiff on poor asphalt

promised app functions not yet available at the time of testing

Price Comparison Avarage Market Price Kawasaki Ninja 650 vs Kawasaki Z900

Price Kawasaki Ninja 650

Model year
Current average market prices

Price Kawasaki Z900

Model year
Current average market prices

Alternative Comparisons

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