Kawasaki Ninja ZX-6R 2026 vs. QJ Motor SRK 921 RR 2026

Kawasaki Ninja ZX-6R 2026

Kawasaki Ninja ZX-6R 2026

QJ Motor SRK 921 RR 2026

QJ Motor SRK 921 RR 2026

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Technical Specifications Kawasaki Ninja ZX-6R 2026 compared to QJ Motor SRK 921 RR 2026

Kawasaki Ninja ZX-6R 2026
QJ Motor SRK 921 RR 2026

Engine and Drive Train

Engine typeEngine typeIn lineEngine typeIn line
Engine powerEngine power124 HPEngine power129.2 HP
Rpm at Max. PowerRpm at Max. Power13,000 rpmRpm at Max. Power10,000 rpm
TorqueTorque69 NmTorque93 Nm
Rpm at TorqueRpm at Torque10,800 rpmRpm at Torque8,000 rpm
Compression RatioCompression Ratio12.9 Compression Ratio13
Fuel systemFuel systemInjectionFuel systemInjection
StarterStarterElectricStarterElectric
TransmissionTransmissionChainTransmissionChain
Transmission TypeTransmission TypeGearshiftTransmission TypeGearshift
Number of gearsNumber of gears6Number of gears6
CylindersCylinders4Cylinders4
StrokesStrokes4-StrokeStrokes4-Stroke
Valves per cylinderValves per cylinder4Valves per cylinder4
CoolingCoolingliquidCoolingliquid
DisplacementDisplacement636 ccmDisplacement921 ccm

Suspension Front

Front suspensionFront suspensionUpside-Down telescopic forkFront suspensionUpside-Down telescopic fork
DiameterDiameter41 mmDiameter58 mm

Suspension Rear

SuspensionSuspensionSwing armSuspensionSingle swing arm
Shock absorberShock absorberMonoshockShock absorberMonoshock

Chassis

FrameFrameAluminiumFrameSteel
Frame typeFrame typeTwin Tube, Perimeter, ExtrudedFrame typeTubular
RakeRake66.5 degreeRake24 degree
TrailTrail101 mmTrail95 mm

Brakes Front

TypeTypeDouble diskTypeDouble disk
DiameterDiameter310 mmDiameter320 mm
PistonPistonFour pistonsPistonFour pistons
Shock mountShock mountSemi-SchwimmsattelShock mountFixed caliper

Brakes Rear

TypeTypeDiscTypeDisc
DiameterDiameter220 mmDiameter260 mm
PistonPistonSingle pistonPistonSingle piston
Shock mountShock mountFloating caliperShock mountFloating caliper

Assistance Systems

Advanced Rider Assistance SystemsAdvanced Rider Assistance SystemsABS, Riding modes, Quickshifter, Traction controlAdvanced Rider Assistance SystemsABS, Riding modes, Steering damper, Modern electronics

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 width190 mm
Rear tyre heightRear tyre height55 %Rear tyre height50 %
Rear tyre diameterRear tyre diameter17 inchRear tyre diameter17 inch
LengthLength2,025 mmLength2,085 mm
WidthWidth710 mmWidth790 mm
HeightHeight1,105 mmHeight1,130 mm
WheelbaseWheelbase1,400 mmWheelbase1,425 mm
Seat HeightSeat Height830 mmSeat Height835 mm
Kerb Weight (with ABS)Kerb Weight (with ABS)198 kgKerb Weight (with ABS)215 kg
Fuel Tank CapacityFuel Tank Capacity17 lFuel Tank Capacity16 l

Equipment

EquipmentEquipmentConnectivity, LED-Headlights, TFT displayEquipmentBluetooth, Connectivity, LED-Headlights, TFT display, USB socket, Integrated navigation system, Modern electronics, Charging & power, Connectivity, Lighting

Pros and Cons in comparison

Pros and Cons in comparison

Kawasaki Ninja ZX-6R 2026

Kawasaki Ninja ZX-6R 2026

The Kawasaki ZX-6R 2025 is a bike that is more than just a technical evolution. It is a piece of motorbike history, a relic from a time when 600cc supersports dominated the roads - and it shows why we should never forget this era. With stable geometry, a harmonious engine, butter-smooth transmission and a character that inspires confidence, it is a revelation for both ambitious trackday riders and sporty country road fans. You get off, look back - and have that grin on your face that no other bike produces so consistently.

Powerful 636cc engine with plenty of grunt and power

well-functioning quickshifter at high rpms

good handling and pleasant ride feel

sportily tuned suspension

reliable brakes

Missing Ride-by-Wire system - therefore no blipper

seat too soft and low for the race track

ABS lines not optimal for track use

QJ Motor SRK 921 RR 2026

QJ Motor SRK 921 RR 2026

All in all, the QJ Motor SRK 921 RR is a serious alternative in the mid-range supersport segment. It combines sophisticated hardware with a stable chassis design and a linear, powerful engine on a par with the competition. Minor weaknesses such as constant ride judder or the somewhat impractical operating logic for the riding modes only slightly spoil the picture, especially as QJ is known as a manufacturer for making improvements quickly. Anyone looking for a bike with substance, confidence and an emotional sound will find a coherent overall package that is much closer to the established top dogs than you would expect.

great sound

single swing arm and MV Agusta technology and looks at a bargain price

high-quality components

good electronics tuning

good features

impeccable workmanship

not a lightweight at 230.5 kilograms

slight constant jolting

somewhat impractical menu navigation

Price Comparison Avarage Market Price Kawasaki Ninja ZX-6R vs QJ Motor SRK 921 RR

Price Kawasaki Ninja ZX-6R

Model year
Current average market prices

Price QJ Motor SRK 921 RR

Model year
Current average market prices

Alternative Comparisons