Kawasaki Ninja ZX-6R 2025 vs. Yamaha R6 RACE 2023

Kawasaki Ninja ZX-6R 2025

Kawasaki Ninja ZX-6R 2025

Yamaha R6 RACE 2023

Yamaha R6 RACE 2023

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Technical Specifications Kawasaki Ninja ZX-6R 2025 compared to Yamaha R6 RACE 2023

Kawasaki Ninja ZX-6R 2025
Yamaha R6 RACE 2023

Engine and Drive Train

Engine typeEngine typeIn lineEngine typeIn line
BoreBore67 mmBore67 mm
StrokeStroke45.1 mmStroke42.5 mm
Engine powerEngine power124 HPEngine power118 HP
Rpm at Max. PowerRpm at Max. Power13,000 rpmRpm at Max. Power14,500 rpm
TorqueTorque69 NmTorque65.7 Nm
Rpm at TorqueRpm at Torque10,800 rpmRpm at Torque10,500 rpm
Compression RatioCompression Ratio12.9 Compression Ratio13.1
Fuel systemFuel systemInjectionFuel systemInjection
StarterStarterElectricStarterElectric
Clutch TypeClutch TypeMultiplate in oil-bathClutch TypeMultiplate in oil-bath
IgnitionIgnitionDigitalIgnitionTransistor
TransmissionTransmissionChainTransmissionChain
Transmission TypeTransmission TypeGearshiftTransmission TypeGearshift
Number of gearsNumber of gears6Number of gears6
CylindersCylinders4Cylinders4
StrokesStrokes4-StrokeStrokes4-Stroke
Valves per cylinderValves per cylinder4Valves per cylinder4
ValvesValvesDOHCValvesDOHC
CoolingCoolingliquidCoolingliquid
DisplacementDisplacement636 ccmDisplacement599 ccm

Suspension Front

Front suspensionFront suspensionUpside-Down telescopic forkFront suspensionUpside-Down telescopic fork
DiameterDiameter41 mmDiameter43 mm
TravelTravel120 mmTravel120 mm
AdjustmentAdjustmentCompression, Preload, ReboundAdjustmentCompression, Preload, Rebound

Suspension Rear

SuspensionSuspensionSwing armSuspensionSwing arm
Shock absorberShock absorberMonoshockShock absorberMonoshock
TravelTravel151 mmTravel120 mm
AdjustmentAdjustmentCompression, Preload, ReboundAdjustmentCompression, Preload, Rebound
MaterialMaterialAluminiumMaterialAluminium

Chassis

FrameFrameAluminiumFrameAluminium
Frame typeFrame typeTwin Tube, Perimeter, ExtrudedFrame typeDeltabox
RakeRake66.5 degreeRake66 degree
TrailTrail101 mmTrail97 mm

Brakes Front

TypeTypeDouble diskTypeDouble disk
DiameterDiameter310 mmDiameter320 mm
PistonPistonFour pistonsPistonFour pistons
TechnologyTechnologyradialTechnologyradial

Brakes Rear

TypeTypeDiscTypeDisc
DiameterDiameter220 mmDiameter220 mm

Assistance Systems

Advanced Rider Assistance SystemsAdvanced Rider Assistance SystemsABS, Riding modes, Quickshifter, Traction controlAdvanced Rider Assistance SystemsABS, Riding modes, Ride by Wire, 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 width180 mmRear tyre width180 mm
Rear tyre heightRear tyre height55 %Rear tyre height55 %
Rear tyre diameterRear tyre diameter17 inchRear tyre diameter17 inch
LengthLength2,025 mmLength2,040 mm
WidthWidth710 mmWidth695 mm
HeightHeight1,105 mmHeight1,150 mm
WheelbaseWheelbase1,400 mmWheelbase1,375 mm
Seat HeightSeat Height830 mmSeat Height850 mm
Kerb Weight (with ABS)Kerb Weight (with ABS)198 kgKerb Weight (with ABS)190 kg
Fuel Tank CapacityFuel Tank Capacity17 lFuel Tank Capacity17 l
License compliancyLicense compliancyALicense compliancyA

Pros and Cons in comparison

Pros and Cons in comparison

Kawasaki Ninja ZX-6R 2025

Kawasaki Ninja ZX-6R 2025

The 2026 Kawasaki Ninja ZX-6R is a bike that almost goes against the spirit of the times, which is precisely why it is so appealing. While many manufacturers have long since abandoned the classic supersport class, Kawasaki is sticking to the idea of a lightweight, high-revving, precise and uncompromising sports motorbike. The 636cc engine runs wonderfully smoothly, offers real supersport emotion at high rpms and has more usability than classic 600s thanks to slightly more displacement. The suspension is precise, confidence-inspiring and works well both on the road and on the race track. The brakes are firm and powerful. The electronics are not the most modern, but are sufficient and well setup in practice.

silky smooth and revvy 636 cc in-line four-cylinder engine strong running culture and very good modulation

precise, confidence-inspiring suspension

powerful and stable brake system

very good transmission with cleanly functioning quickshifter

more modern appearance with TFT, LED lights and smartphone connectivity

more suitable for everyday use than classic 600cc supersports bikes

Tight ergonomics, especially for taller riders Quickshifter only for upshifting

No Ride-by-Wire and no blipper

Rear wheel ABS cannot be deactivated separately

Wind protection rather tight as standard

Electronics not at the latest supersport level

Yamaha R6 RACE 2023

Yamaha R6 RACE 2023

Unfortunately, our editors did not test this model.

Price Comparison Average Market Price Kawasaki Ninja ZX-6R vs Yamaha R6 RACE

Price Kawasaki Ninja ZX-6R

Model year
Current average market prices

Price Yamaha R6 RACE

Model year
Current average market prices

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