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Ninja ZX 4RR Performance - 2026 Specifications and Reviews

The 2025 Kawasaki Ninja ZX-4RR Performance is a lightweight sport bike engineered for entry-level and intermediate riders seeking genuine track capability. Powered by a 399cc liquid-cooled inline-four producing 76.4 horsepower, it combines nimble handling with responsive acceleration, making it ideal for both street riding and circuit training. Known for its affordability and accessible performance, the ZX-4RR delivers authentic sportbike thrills without intimidating complexity.

2026
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General information

Color OptionsLime Green/Ebony/Pearl Blizzard White
CategorySport
Year2025
 
 

Engine and Transmission Specifications

StartingElectric
ClutchAssist and Slipper Clutch
Final DriveChain (final drive)
Gearbox6-speed
Cooling SystemLiquid
IgnitionDigital
Fuel ControlOverhead Cams (OHC)
InductionInjection. DFI® with dual 34mm throttle bodies
Valves Per Cylinder4
Bore x Stroke57.0 x 39.1 mm (2.2 x 1.5 inches)
Compression Ratio12.3:1
Max Torque39.0 Nm (4.0 kgf-m or 28.8 ft.lbs) @ 1300 RPM
Max Power76.4 HP (55.8 kW)) @ 14500 RPM
Engine TypeIn-line four, four-stroke
Capacity399.0 ccm (24.35 cubic inches)

Physical measures and capacities

Fuel Capacity15.00 litres (3.96 US gallons)
Wheelbase1380 mm (54.3 inches)
Ground Clearance135 mm (5.3 inches)
Overall Width765 mm (30.1 inches)
Overall Length1990 mm (78.3 inches)
Overall Height1110 mm (43.7 inches)
Seat Height800 mm (31.5 inches) If adjustable, lowest setting.
Power/Weight Ratio0.4605 HP/kg
Wet Weight189.0 kg (416.7 pounds)
Dry Weight166.0 kg (366.0 pounds)

Ninja ZX 4RR Performance dimensions and frame

WheelsCast alloy, 5-spoke
Rear BrakesSingle disc. ABS.
Brake Disc Diameter220 mm (8.7 inches)
Front BrakesDouble disc. ABS.
Rear Tyre160/60-17
Front Tyre120/70-17
Rear Wheel Travel124 mm (4.9 inches)
Rear SuspensionHorizontal Back-link, BFRC lite gas charged shock w/ piggyback reservoir, adjustable compression, rebound and spring preload
Front Wheel Travel120 mm (4.7 inches)
Front Suspension37mm inverted fork with SFF-BP internals and spring preload adjustability
Trail97 mm (3.8 inches)
FrameTrellis, high-tensile steel

Other specs

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Update specsReport missing specs or required updates.
Warranty12 Month Limited Warranty
LightingLED lights
InstrumentsTFT color instrumentation
Rake (fork angle)23.5°
Motorcycle nameKawasaki Ninja ZX-4RR Performance

Rider Reviews

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