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2025 Kawasaki ZX-4RR
2025 Kawasaki ZX-4RR image 1
2025 Kawasaki ZX-4RR image 2
2025 Kawasaki ZX-4RR image 3
2025 Kawasaki ZX-4RR image 4
2025 Kawasaki ZX-4RR image 5

Images are for illustration purposes only. The colours shown on the site may not precisely match the actual colours of the vehicle.

Key Features

Kawasaki ZX-4RR High-revving Performance - With a redline beyond 15,000 rpm indicating its screaming potential, this engine features racing-inspired technology also found on the Ninja ZX-10R. The high revs deliver a distinctive, exhilarating engine sound characteristic of a high-performance Kawasaki In-Line Four.
1

High-revving Performance

With a redline beyond 15,000 rpm indicating its screaming potential, this engine features racing-inspired technology also found on the Ninja ZX-10R. The high revs deliver a distinctive, exhilarating engine sound characteristic of a high-performance Kawasaki In-Line Four.

Kawasaki ZX-4RR TFT Colour Instrumentation with Circuit Mode - The 4.3” all-digital TFT colour instrumentation with selectable display modes (Normal, Circuit) clearly displays the most pertinent information, whether on the street or on the track. Circuit Mode shows the gear position, lap times, and rpm above 10,000 more prominently.
2

TFT Colour Instrumentation with Circuit Mode

The 4.3” all-digital TFT colour instrumentation with selectable display modes (Normal, Circuit) clearly displays the most pertinent information, whether on the street or on the track. Circuit Mode shows the gear position, lap times, and rpm above 10,000 more prominently.

Kawasaki ZX-4RR Dual-direction KQS - Allowing riders to take even greater advantage of the Ninja ZX-4R’s exhilarating engine character, the quick shifter enables clutchless upshifts and downshifts for seamless acceleration and easy deceleration.
3

Dual-direction KQS

Allowing riders to take even greater advantage of the Ninja ZX-4R’s exhilarating engine character, the quick shifter enables clutchless upshifts and downshifts for seamless acceleration and easy deceleration.

Kawasaki ZX-4RR Ram Air Intake - Complementing the centrally positioned Ram Air intake, the side Ram Air duct, designed with feedback from the Ninja H2, routes air to the air cleaner box and contributes to stellar performance. Its aggressive look and intake sound add to the screaming In-Line Four experience, and visually identify the bike as one of Kawasaki’s Ninja ZX models.
4

Ram Air Intake

Complementing the centrally positioned Ram Air intake, the side Ram Air duct, designed with feedback from the Ninja H2, routes air to the air cleaner box and contributes to stellar performance. Its aggressive look and intake sound add to the screaming In-Line Four experience, and visually identify the bike as one of Kawasaki’s Ninja ZX models.

Kawasaki ZX-4RR Smartphone Connectivity - Bluetooth technology built into the instrument panel allows connection to smartphones via the “RIDEOLOGY THE APP” smartphone application, enabling riders to access instrument functions for an enhanced motorcycling experience.
5

Smartphone Connectivity

Bluetooth technology built into the instrument panel allows connection to smartphones via the “RIDEOLOGY THE APP” smartphone application, enabling riders to access instrument functions for an enhanced motorcycling experience.

Kawasaki ZX-4RR Trellis Frame with Optimised Rigidity Balance - Designed using Kawasaki’s advanced dynamic rigidity analysis, this trellis frame made from high-tensile steel delivers the required balance of strength and chassis flex to achieve the Ninja ZX-4R’s nimble supersport-style handling.
6

Trellis Frame with Optimised Rigidity Balance

Designed using Kawasaki’s advanced dynamic rigidity analysis, this trellis frame made from high-tensile steel delivers the required balance of strength and chassis flex to achieve the Ninja ZX-4R’s nimble supersport-style handling.

Kawasaki ZX-4RR Premium Components and Features - Style meets substance with the Ninja ZX-4R’s high-class styling and high-grade package. Aggressive looks are complemented by premium features like TFT colour instrumentation providing clear information, integrated Riding Modes that link traction control and power modes for easy machine setup, and on the ZX-4RR a quick shifter for fast, simple gear changes.
7

Premium Components and Features

Style meets substance with the Ninja ZX-4R’s high-class styling and high-grade package. Aggressive looks are complemented by premium features like TFT colour instrumentation providing clear information, integrated Riding Modes that link traction control and power modes for easy machine setup, and on the ZX-4RR a quick shifter for fast, simple gear changes.

Kawasaki ZX-4RR High-Grade Suspension - The Ninja ZX-4R’s ø37 mm inverted fork uses SFFBP internals to offer both racetrack performance and everyday usability while the Horizontal Back-link rear suspension offers a progressive character. Offering increased adjustability, the Ninja ZX-4RR front fork includes an adjustable spring preload.
8

High-Grade Suspension

The Ninja ZX-4R’s ø37 mm inverted fork uses SFFBP internals to offer both racetrack performance and everyday usability while the Horizontal Back-link rear suspension offers a progressive character. Offering increased adjustability, the Ninja ZX-4RR front fork includes an adjustable spring preload.

Kawasaki ZX-4RR All-LED Lighting - From its twin headlights to its Ninja ZX-10R-inspired taillight, all lighting on the Ninja ZX-4R is LED.
9

All-LED Lighting

From its twin headlights to its Ninja ZX-10R-inspired taillight, all lighting on the Ninja ZX-4R is LED.

Into a category filled with 400cc sport models, Kawasaki introduces a revolutionary Supersport model. The Ninja ZX-4RR mounts a 400cc In-Line Four engine with class-leading performance in a compact chassis. On the track or on the street, experiencing the exhilaration of the Ninja ZX-4RR’s unprecedented power, thrilling high-rpm wail, and its sharp, nimble handing will surely awaken the dormant Supersport within you.

Engine

ENGINE TYPE
Liquid-cooled, 4-stroke In-Line Four
DISPLACEMENT
399 cm³
BORE X STROKE
57 x 39.1 mm
COMPRESSION RATION
12.3:1
RATED OUTPUT
57 kW {77 PS} / 14,500 rpm
MAX. TORQUE
39 N•m {4 kgf•m} / 13,000 rpm
LUBRICATION
Forced lubrication, wet sump
FUEL SUPPL
Fuel Injection: Ø 34 mm x 4
EXHAUST SYSTEM
2-into-1, Catalyst in collector
CERTIFICATION
Euro 6
CLUTCH
Wet multi-disc, manual
GEARBOX
6 Speed
FINAL DRIVE
Chain
STARTING
Electric

Chassis

FRAME
Trellis, high-tensile steel
FRONT SUSPENSION
ø37 mm inverted fork (SFF-BP) with spring preload adjustability, and topout springs
FRONT BRAKE
Dual semi-floating ø290 mm discs. Caliper: Dual radial-mount, monobloc, opposed 4-piston
REAR SUSPENSION
Horizontal Back-link, BFRC lite gas-charged shock with piggyback reservoir, compression and rebound damping and spring preload adjustability, and top-out spring
REAR BRAKE
Single 220 mm disc. Caliper: Single-piston
FRONT TYRE
120/70ZR17M/C (58W)
REAR TYRE
160/60ZR17M/C (69W)

Dimensions

LENGTH
1990mm
WIDTH
765mm
HEIGHT
1110mm
GROUND CLEARANCE
135 mm
UNLADEN WEIGHT
189 kg
USABLE TANK VOLUME
15 litres
WHEELBASE
1,380 mm
SEAT HEIGHT
800 mm

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