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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.
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Kawasaki takes 400cc engine performance to a new level, achieving an unprecedented 57 kW (77 PS)* of power. The howl of the engine as it revs beyond 15,000 min-1 adds to rider exhilaration. A quick-revving nature and direct throttle response are complemented by a flexible character that offers strong low- to mid-range torque for city riding, as well as screaming high- rpm power ideal for sport or track riding. *JPN spec homologated figure measured under fixed conditions. Specifications vary by market. Figure may vary depending on environment. May not apply to every unit.
Kawasaki takes 400cc engine performance to a new level, achieving an unprecedented 57 kW (77 PS)* of power. The howl of the engine as it revs beyond 15,000 min-1 adds to rider exhilaration. A quick-revving nature and direct throttle response are complemented by a flexible character that offers strong low- to mid-range torque for city riding, as well as screaming high- rpm power ideal for sport or track riding. *JPN spec homologated figure measured under fixed conditions. Specifications vary by market. Figure may vary depending on environment. May not apply to every unit.
The Ninja ZX-4R’s ø37 mm inverted fork uses SFF-BP 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-4R SE and ZX-4RR’s ront forks include adjustable spring preload, and the Ninja ZX-4RR features a Showa BFRC lite rear shock—the same type seen on the Ninja ZX-10R.
The Ninja ZX-4R’s ø37 mm inverted fork uses SFF-BP 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-4R SE and ZX-4RR’s ront forks include adjustable spring preload, and the Ninja ZX-4RR features a Showa BFRC lite rear shock—the same type seen on the Ninja ZX-10R.
With a redline beyond 15,000 min-1 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.
With a redline beyond 15,000 min-1 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.
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 Ninja ZX-4R SE and ZX-4RR a quick shifter for fast, simple gear changes.
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 Ninja ZX-4R SE and ZX-4RR a quick shifter for fast, simple gear changes.
A hallmark of the ZX series is razor-sharp handling with excellent feedback that inspires confidence, and the Ninja ZX-4R is no exception. This stems directly from Kawasaki’s WorldSBK racing efforts, and their work in developing the Ninja ZX-10R and Ninja ZX-6R. As a result, the Ninja ZX-4R offers a handling character similar to its siblings.
A hallmark of the ZX series is razor-sharp handling with excellent feedback that inspires confidence, and the Ninja ZX-4R is no exception. This stems directly from Kawasaki’s WorldSBK racing efforts, and their work in developing the Ninja ZX-10R and Ninja ZX-6R. As a result, the Ninja ZX-4R offers a handling character similar to its siblings.
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.
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.
Key chassis dimensions (centre of gravity position, swingarm pivot position, engine axis positions, caster angle, etc) were inspired by Kawasaki’s World Superbike Ninja ZX-10RR racer, bringing WorldSBK chassis design thinking to the 400cc class.
Key chassis dimensions (centre of gravity position, swingarm pivot position, engine axis positions, caster angle, etc) were inspired by Kawasaki’s World Superbike Ninja ZX-10RR racer, bringing WorldSBK chassis design thinking to the 400cc class.
Bluetooth technology built into the instrument panel allows connection to smartphones via the “RIDEOLOGY THE APP” smartphone application, enabling ridersto access instrument functions for an enhanced motorcycling experience .
Bluetooth technology built into the instrument panel allows connection to smartphones via the “RIDEOLOGY THE APP” smartphone application, enabling ridersto access instrument functions for an enhanced motorcycling experience .
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.
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.
Befitting the most powerful machine in the 400cc class, the Ninja ZX-4R’s aggressive Ninja styling exudes a fierce aura of restrained power and explosive action.
Befitting the most powerful machine in the 400cc class, the Ninja ZX-4R’s aggressive Ninja styling exudes a fierce aura of restrained power and explosive action.
Naturally aggressive riding position (more forward-leaning than the Ninja 400’s, but still slightly relaxed) lets riders take advantage of the Ninja ZX-4R’s nimble handling. The fuel tank feels slim, promoting good contact with the bike, while the shape of the firm seat cushion facilitates rider weight shift during sport riding, and is comfortable for longer rides.
Naturally aggressive riding position (more forward-leaning than the Ninja 400’s, but still slightly relaxed) lets riders take advantage of the Ninja ZX-4R’s nimble handling. The fuel tank feels slim, promoting good contact with the bike, while the shape of the firm seat cushion facilitates rider weight shift during sport riding, and is comfortable for longer rides.
Four integrated riding modes (Sport, Road, Rain or Rider (manual)) make it simple to select a level of traction control and power mode to suit the current riding conditions.
Four integrated riding modes (Sport, Road, Rain or Rider (manual)) make it simple to select a level of traction control and power mode to suit the current riding conditions.
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
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
From its twin headlights to its Ninja ZX-10R-inspired taillight, all lighting on the Ninja ZX-4R is LED.
From its twin headlights to its Ninja ZX-10R-inspired taillight, all lighting on the Ninja ZX-4R is LED.
The ZX-4R’s two ø290 mm front brake discs and radial-mount monobloc calipers provide sure stopping power, while also offering excellent braking feel to inspire confidence both on the track and on the street.
The ZX-4R’s two ø290 mm front brake discs and radial-mount monobloc calipers provide sure stopping power, while also offering excellent braking feel to inspire confidence both on the track and on the street.
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.
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 takes 400cc engine performance to a new level, achieving an unprecedented 57 kW (77 PS)* of power. The howl of the engine as it revs beyond 15,000 min-1 adds to rider exhilaration. A quick-revving nature and direct throttle response are complemented by a flexible character that offers strong low- to mid-range torque for city riding, as well as screaming high- rpm power ideal for sport or track riding. *JPN spec homologated figure measured under fixed conditions. Specifications vary by market. Figure may vary depending on environment. May not apply to every unit.
Kawasaki takes 400cc engine performance to a new level, achieving an unprecedented 57 kW (77 PS)* of power. The howl of the engine as it revs beyond 15,000 min-1 adds to rider exhilaration. A quick-revving nature and direct throttle response are complemented by a flexible character that offers strong low- to mid-range torque for city riding, as well as screaming high- rpm power ideal for sport or track riding. *JPN spec homologated figure measured under fixed conditions. Specifications vary by market. Figure may vary depending on environment. May not apply to every unit.
The Ninja ZX-4R’s ø37 mm inverted fork uses SFF-BP 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-4R SE and ZX-4RR’s ront forks include adjustable spring preload, and the Ninja ZX-4RR features a Showa BFRC lite rear shock—the same type seen on the Ninja ZX-10R.
The Ninja ZX-4R’s ø37 mm inverted fork uses SFF-BP 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-4R SE and ZX-4RR’s ront forks include adjustable spring preload, and the Ninja ZX-4RR features a Showa BFRC lite rear shock—the same type seen on the Ninja ZX-10R.
With a redline beyond 15,000 min-1 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.
With a redline beyond 15,000 min-1 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.
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 Ninja ZX-4R SE and ZX-4RR a quick shifter for fast, simple gear changes.
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 Ninja ZX-4R SE and ZX-4RR a quick shifter for fast, simple gear changes.
A hallmark of the ZX series is razor-sharp handling with excellent feedback that inspires confidence, and the Ninja ZX-4R is no exception. This stems directly from Kawasaki’s WorldSBK racing efforts, and their work in developing the Ninja ZX-10R and Ninja ZX-6R. As a result, the Ninja ZX-4R offers a handling character similar to its siblings.
A hallmark of the ZX series is razor-sharp handling with excellent feedback that inspires confidence, and the Ninja ZX-4R is no exception. This stems directly from Kawasaki’s WorldSBK racing efforts, and their work in developing the Ninja ZX-10R and Ninja ZX-6R. As a result, the Ninja ZX-4R offers a handling character similar to its siblings.
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.
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.
Key chassis dimensions (centre of gravity position, swingarm pivot position, engine axis positions, caster angle, etc) were inspired by Kawasaki’s World Superbike Ninja ZX-10RR racer, bringing WorldSBK chassis design thinking to the 400cc class.
Key chassis dimensions (centre of gravity position, swingarm pivot position, engine axis positions, caster angle, etc) were inspired by Kawasaki’s World Superbike Ninja ZX-10RR racer, bringing WorldSBK chassis design thinking to the 400cc class.
Bluetooth technology built into the instrument panel allows connection to smartphones via the “RIDEOLOGY THE APP” smartphone application, enabling ridersto access instrument functions for an enhanced motorcycling experience .
Bluetooth technology built into the instrument panel allows connection to smartphones via the “RIDEOLOGY THE APP” smartphone application, enabling ridersto access instrument functions for an enhanced motorcycling experience .
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.
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.
Befitting the most powerful machine in the 400cc class, the Ninja ZX-4R’s aggressive Ninja styling exudes a fierce aura of restrained power and explosive action.
Befitting the most powerful machine in the 400cc class, the Ninja ZX-4R’s aggressive Ninja styling exudes a fierce aura of restrained power and explosive action.
Naturally aggressive riding position (more forward-leaning than the Ninja 400’s, but still slightly relaxed) lets riders take advantage of the Ninja ZX-4R’s nimble handling. The fuel tank feels slim, promoting good contact with the bike, while the shape of the firm seat cushion facilitates rider weight shift during sport riding, and is comfortable for longer rides.
Naturally aggressive riding position (more forward-leaning than the Ninja 400’s, but still slightly relaxed) lets riders take advantage of the Ninja ZX-4R’s nimble handling. The fuel tank feels slim, promoting good contact with the bike, while the shape of the firm seat cushion facilitates rider weight shift during sport riding, and is comfortable for longer rides.
Four integrated riding modes (Sport, Road, Rain or Rider (manual)) make it simple to select a level of traction control and power mode to suit the current riding conditions.
Four integrated riding modes (Sport, Road, Rain or Rider (manual)) make it simple to select a level of traction control and power mode to suit the current riding conditions.
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
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
From its twin headlights to its Ninja ZX-10R-inspired taillight, all lighting on the Ninja ZX-4R is LED.
From its twin headlights to its Ninja ZX-10R-inspired taillight, all lighting on the Ninja ZX-4R is LED.
The ZX-4R’s two ø290 mm front brake discs and radial-mount monobloc calipers provide sure stopping power, while also offering excellent braking feel to inspire confidence both on the track and on the street.
The ZX-4R’s two ø290 mm front brake discs and radial-mount monobloc calipers provide sure stopping power, while also offering excellent braking feel to inspire confidence both on the track and on the street.
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.
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.
Designed to help riders maximise their acceleration on the circuit by enabling clutchless upshifts with the throttle fully open, KQS detects that the shift lever has been actuated and sends a signal to the ECU to cut ignition so that the next gear can be engaged without having to use the clutch. On models that offer clutchless downshifts, during deceleration the system automatically controls engine speed so that the next lower gear can be selected without operating the clutch.
3-Mode KTRC (Kawasaki TRaction Control), Kawasaki's most advanced traction control system, offers a selection of modes to suit a variety of riding situations, from sport riding to touring.
3-mode KTRC combines the traction control technology of both 1-mode KTRC, which provides enhanced stability in slippery situations by preventing wheel slip, and S-KTRC, which helps maintain optimum traction in sport riding situations by predicting the rear wheel slip ratio during acceleration, into a single system. The convenient handle switch allows the type of traction control to be changed instantly by selecting one of the three modes, even while riding. Modes 1 and 2 maintain optimum traction during cornering, like S-KTRC. Designed with sport riding in mind, they enable sharp acceleration out of corners by maximizing forward drive from the rear wheel. Modes 1 and 2 differ in the amount that they intervene. Mode 1, set for dry, good-grip road conditions, maintains the ideal slip ratio to ensure optimum traction. Mode 3 operates like 1-mode KTRC, reducing power to allow grip to be regained when rear wheel spin is detected. It is ideal when riding in slippery conditions or in the wet. Enabling riders to easily change traction control character, 3-mode KTRC is Kawasaki's most advanced engine management system.
Based on racing technology, the Assist & Slipper Clutch acts as both a back-torque limiter and a self-servo mechanism that enables a lighter clutch lever pull.
Based on feedback from racing activities, the Assist & Slipper Clutch uses two types of cams (an assist cam and a slipper cam) to either drive the clutch hub and operating plate together or apart. Under normal operation, the assist cam functions as a self-servo mechanism, pulling the clutch hub and operating plate together to compress the clutch plates. This allows the total clutch spring load to be reduced, resulting in a lighter clutch lever feel when operating the clutch. When excessive engine braking occurs as a result of quick downshifts (or an accidental downshift) the slipper cam comes into play, forcing the clutch hub and operating plate apart. This relieves pressure on the clutch plates to reduce back-torque and helps prevent the rear tyre from hopping and skidding. This race-style function is particularly useful when sport or track riding.
Electronic Throttle Valves allow the ECU to deliver the ideal amount of fuel and air to the engine.
Kawasaki's fully electronic throttle actuation system enables the ECU to control the volume of both the fuel (via fuel injectors) and the air (via throttle valves) delivered to the engine. Ideal fuel injection and throttle valve position results in smooth, natural engine response and the ideal engine output. The system also makes a significant contribution to reduced emissions. Electronic throttle valves also enable more precise control of electronic engine management systems like S-KTRC and KTRC, and allow the implementation of electronic systems like KLCM, Kawasaki Engine Brake Control, and Electronic Cruise Control.
Smartphone connectivity contributes to an enhanced motorcycling experience by enabling riders to connect to their motorcycle wirelessly.
Clever technology enables riders to connect to their motorcycle wirelessly. Using the smartphone application RIDEOLOGY THE APP a number of instrument functions can be accessed, contributing to an enhanced motorcycling experience. Vehicle information (such as the odometer, fuel gauge, maintenance schedule, etc) can be viewed on the smartphone. Riding logs (varies by model, but may include GPS route, gear position, rpm, and other information) can be viewed on the smartphone. When connected, telephone (call, mail) notices are displayed on the instrument panel. Riders can also make changes to their motorcycle instrument display settings (preferred units, clock and date setting, etc) via the smartphone. And on certain models, it is even possible to check and adjust vehicle settings (such as Rider Mode, electronic rider support features, and payload settings) using the smartphone.
Power Mode selection allows engine power delivery to be changed to suit the riding situation.
Models equipped with multiple Power Modes offer riders an easily selectable choice of engine power delivery to suit riding conditions or preference. In addition to Full Power mode, one (Low) or two (Middle, Low) alternate mode(s) in which maximum power is limited and throttle response is milder are provided.
Horizontal Back-link Rear Suspension arranges its shock unit horizontally, greatly contributing to efficient use of space and mass centralisation.
Compared to Kawasaki's traditional Uni-Trak rear suspension, which mounts the shock unit vertically, with Horizontal Back-link rear suspension, the shock unit is almost horizontal. Kawasaki's original suspension arrangement locates the shock unit very close to the bike's centre of gravity, greatly contributing to mass centralisation. And because there is no linkage or shock unit protruding beneath the swingarm, this frees up space for a larger exhaust pre-chamber (an exhaust expansion chamber situated just upstream of the silencer). With a larger pre-chamber, silencer volume can be reduced, and heavy exhaust components can be concentrated closer to the centre of the bike, further contributing to mass centralisation. The result is greatly improved handling. Another benefit is that the shock unit is placed far away from exhaust heat. Because it is more difficult for heat from the exhaust system to adversely affect suspension oil and gas pressure, suspension performance is more stable. Horizontal Back-link rear suspension offers numerous secondary benefits like this.
The Economical Riding Indicator is a mark appearing on the instrument panel to indicate favourable fuel consumption, encouraging fuel efficient riding.
Using high-precision electronic control for engine management, Kawasaki models can achieve a high level of fuel efficiency. However, fuel consumption is greatly affected by throttle use, gear selection, and other elements under the rider's control. The Economical Riding Indicator is a function that indicates when current riding conditions are consuming a low amount of fuel. The system continuously monitors fuel consumption, regardless of vehicle speed, engine speed, throttle position and other riding conditions. When fuel consumption is low for a given speed (i.e. fuel efficiency is high), an "ECO" mark appears on the instrument panel's LCD screen. By riding so that the "ECO" mark remains on, fuel consumption can be reduced. While effective vehicle speed and engine speed may vary by model, paying attention to conditions that cause the "ECO" mark to appear can help riders improve their fuel efficiency – a handy way to increase cruising range. Further, keeping fuel consumption low also helps minimise negative impact on the environment.
ABS (Anti-lock Brake System) ensures stable braking performance by preventing wheel lock during braking.
Sudden over-application of the brakes, or braking on low-grip surfaces (surfaces with a low coefficient of friction) such as wet asphalt or manhole covers may cause a motorcycle's wheel(s) to lock up and slip. ABS was developed to prevent such incidents. Kawasaki ABS systems are controlled by high precision and highly reliable programming formulated based on thorough testing of numerous riding situations. By ensuring stable braking performance, they offer rider reassurance that contributes to greater riding enjoyment. And to meet the special requirements of certain riders, specialised ABS systems are also available. For example, KIBS (Kawasaki Intelligent anti-lock Brake System) is a high-precision brake system designed specifically for supersport models, enabling sport riding to be enjoyed by a wider range of riders. And by linking the front and rear brakes, K-ACT (Kawasaki Advanced Coactive-braking Technology) ABS provides the confidence to enjoy touring on heavyweight models. Kawasaki is continually working on the development of other advanced ABS systems.
Designed to help riders maximise their acceleration on the circuit by enabling clutchless upshifts with the throttle fully open, KQS detects that the shift lever has been actuated and sends a signal to the ECU to cut ignition so that the next gear can be engaged without having to use the clutch. On models that offer clutchless downshifts, during deceleration the system automatically controls engine speed so that the next lower gear can be selected without operating the clutch.
3-Mode KTRC (Kawasaki TRaction Control), Kawasaki's most advanced traction control system, offers a selection of modes to suit a variety of riding situations, from sport riding to touring.
3-mode KTRC combines the traction control technology of both 1-mode KTRC, which provides enhanced stability in slippery situations by preventing wheel slip, and S-KTRC, which helps maintain optimum traction in sport riding situations by predicting the rear wheel slip ratio during acceleration, into a single system. The convenient handle switch allows the type of traction control to be changed instantly by selecting one of the three modes, even while riding. Modes 1 and 2 maintain optimum traction during cornering, like S-KTRC. Designed with sport riding in mind, they enable sharp acceleration out of corners by maximizing forward drive from the rear wheel. Modes 1 and 2 differ in the amount that they intervene. Mode 1, set for dry, good-grip road conditions, maintains the ideal slip ratio to ensure optimum traction. Mode 3 operates like 1-mode KTRC, reducing power to allow grip to be regained when rear wheel spin is detected. It is ideal when riding in slippery conditions or in the wet. Enabling riders to easily change traction control character, 3-mode KTRC is Kawasaki's most advanced engine management system.
Based on racing technology, the Assist & Slipper Clutch acts as both a back-torque limiter and a self-servo mechanism that enables a lighter clutch lever pull.
Based on feedback from racing activities, the Assist & Slipper Clutch uses two types of cams (an assist cam and a slipper cam) to either drive the clutch hub and operating plate together or apart. Under normal operation, the assist cam functions as a self-servo mechanism, pulling the clutch hub and operating plate together to compress the clutch plates. This allows the total clutch spring load to be reduced, resulting in a lighter clutch lever feel when operating the clutch. When excessive engine braking occurs as a result of quick downshifts (or an accidental downshift) the slipper cam comes into play, forcing the clutch hub and operating plate apart. This relieves pressure on the clutch plates to reduce back-torque and helps prevent the rear tyre from hopping and skidding. This race-style function is particularly useful when sport or track riding.
Electronic Throttle Valves allow the ECU to deliver the ideal amount of fuel and air to the engine.
Kawasaki's fully electronic throttle actuation system enables the ECU to control the volume of both the fuel (via fuel injectors) and the air (via throttle valves) delivered to the engine. Ideal fuel injection and throttle valve position results in smooth, natural engine response and the ideal engine output. The system also makes a significant contribution to reduced emissions. Electronic throttle valves also enable more precise control of electronic engine management systems like S-KTRC and KTRC, and allow the implementation of electronic systems like KLCM, Kawasaki Engine Brake Control, and Electronic Cruise Control.
Smartphone connectivity contributes to an enhanced motorcycling experience by enabling riders to connect to their motorcycle wirelessly.
Clever technology enables riders to connect to their motorcycle wirelessly. Using the smartphone application RIDEOLOGY THE APP a number of instrument functions can be accessed, contributing to an enhanced motorcycling experience. Vehicle information (such as the odometer, fuel gauge, maintenance schedule, etc) can be viewed on the smartphone. Riding logs (varies by model, but may include GPS route, gear position, rpm, and other information) can be viewed on the smartphone. When connected, telephone (call, mail) notices are displayed on the instrument panel. Riders can also make changes to their motorcycle instrument display settings (preferred units, clock and date setting, etc) via the smartphone. And on certain models, it is even possible to check and adjust vehicle settings (such as Rider Mode, electronic rider support features, and payload settings) using the smartphone.
Power Mode selection allows engine power delivery to be changed to suit the riding situation.
Models equipped with multiple Power Modes offer riders an easily selectable choice of engine power delivery to suit riding conditions or preference. In addition to Full Power mode, one (Low) or two (Middle, Low) alternate mode(s) in which maximum power is limited and throttle response is milder are provided.
Horizontal Back-link Rear Suspension arranges its shock unit horizontally, greatly contributing to efficient use of space and mass centralisation.
Compared to Kawasaki's traditional Uni-Trak rear suspension, which mounts the shock unit vertically, with Horizontal Back-link rear suspension, the shock unit is almost horizontal. Kawasaki's original suspension arrangement locates the shock unit very close to the bike's centre of gravity, greatly contributing to mass centralisation. And because there is no linkage or shock unit protruding beneath the swingarm, this frees up space for a larger exhaust pre-chamber (an exhaust expansion chamber situated just upstream of the silencer). With a larger pre-chamber, silencer volume can be reduced, and heavy exhaust components can be concentrated closer to the centre of the bike, further contributing to mass centralisation. The result is greatly improved handling. Another benefit is that the shock unit is placed far away from exhaust heat. Because it is more difficult for heat from the exhaust system to adversely affect suspension oil and gas pressure, suspension performance is more stable. Horizontal Back-link rear suspension offers numerous secondary benefits like this.
The Economical Riding Indicator is a mark appearing on the instrument panel to indicate favourable fuel consumption, encouraging fuel efficient riding.
Using high-precision electronic control for engine management, Kawasaki models can achieve a high level of fuel efficiency. However, fuel consumption is greatly affected by throttle use, gear selection, and other elements under the rider's control. The Economical Riding Indicator is a function that indicates when current riding conditions are consuming a low amount of fuel. The system continuously monitors fuel consumption, regardless of vehicle speed, engine speed, throttle position and other riding conditions. When fuel consumption is low for a given speed (i.e. fuel efficiency is high), an "ECO" mark appears on the instrument panel's LCD screen. By riding so that the "ECO" mark remains on, fuel consumption can be reduced. While effective vehicle speed and engine speed may vary by model, paying attention to conditions that cause the "ECO" mark to appear can help riders improve their fuel efficiency – a handy way to increase cruising range. Further, keeping fuel consumption low also helps minimise negative impact on the environment.
ABS (Anti-lock Brake System) ensures stable braking performance by preventing wheel lock during braking.
Sudden over-application of the brakes, or braking on low-grip surfaces (surfaces with a low coefficient of friction) such as wet asphalt or manhole covers may cause a motorcycle's wheel(s) to lock up and slip. ABS was developed to prevent such incidents. Kawasaki ABS systems are controlled by high precision and highly reliable programming formulated based on thorough testing of numerous riding situations. By ensuring stable braking performance, they offer rider reassurance that contributes to greater riding enjoyment. And to meet the special requirements of certain riders, specialised ABS systems are also available. For example, KIBS (Kawasaki Intelligent anti-lock Brake System) is a high-precision brake system designed specifically for supersport models, enabling sport riding to be enjoyed by a wider range of riders. And by linking the front and rear brakes, K-ACT (Kawasaki Advanced Coactive-braking Technology) ABS provides the confidence to enjoy touring on heavyweight models. Kawasaki is continually working on the development of other advanced ABS systems.
Engine type | Liquid-cooled, 4-stroke, in-line four |
---|---|
Compression ratio | 12.3:1 |
Valve system | DOHC, 16 valves |
Bore x stroke | 57.0 x 39.1 mm |
Displacement | 399 cm³ |
Fuel system | Fuel injection: 34 mm x 4 |
Lubrication | Forced lubrication, wet sump |
Starting system | Electric |
Ignition system | Digital |
Maximum power | 57.0 kW {77 PS} / 14,500 rpm |
---|---|
Maximum power with RAM Air | 58.7 kW {80 PS} / 14,500 rpm |
Maximum torque | 39.0 N•m {4.0 kgf•m} / 13,000 rpm |
CO2 emission | 120 g/km |
Fuel consumption | 5.1 l/100km |
Transmission | 6-speed, return shift |
Clutch | Wet, multi disc |
Primary reduction ratio | 2.029 (69/34) |
Gear ratios 1st | 2.929 (41/14) |
Gear ratios 2nd | 2.056 (37/18) |
Gear ratios 3rd | 1.619 (34/21) |
Gear ratios 4th | 1.333 (32/24) |
Gear ratios 5th | 1.154 (30/26) |
Gear ratios 6th | 1.037 (28/27) |
Final drive | Sealed chain |
Final reduction ratio | 3.429 (48/14) |
Frame type | Trellis, high-tensile steel |
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Trail | 97 mm |
Wheel travel front | 120 mm |
Wheel travel rear | 124 mm |
Tyre, front | 120/70 ZR17 M/C (58W) |
Tyre, rear | 160/60 ZR17 M/C (69W) |
L x W x H | 1,990 x 765 x 1,110 mm |
Steering angle L/R | 35° / 35° |
Wheel base | 1,380 mm |
Ground clearance | 135 mm |
Fuel capacity | 15.0 litres |
Seat height | 800 mm |
Curb mass | 189 kg |
Front brake type | Dual semi-floating discs |
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Front brake diameter | Ø 290 mm |
Front brake caliper type | Radial-mount, monobloc, opposed 4-piston |
Rear brake type | Single disc |
Rear brake diameter | Ø 220 mm |
Rear brake caliper type | Single-piston |
Front suspension type | Single A-Arm with twin shock absorbers |
Front suspension diameter | Ø 37 mm |
Rear suspension type | Horizontal Back-link, BFRC lite gas-charged shock with piggyback reservoir, compression and rebound damping, spring preload adjustability, and top-out spring |
Inpage Navigation Section: Accessories
Help protect your motorcycle from tip-over damage.
Made to fit and complement the Ninja ZX-4R/RR motorcycle, this seat features firm urethane cushioning which enhances feel to the rear wheel traction during sport riding sessions.
Give your Kawasaki bike a more sporty look and sound with this Akrapovič slip-on system. EC/ECE type approved and fully road legal. (Euro 5+)
Read MoreMade from strong Anti-tear Honeycomb ripstop fabric. Heat resistance till 120 degrees Celcius. Subtle branding.
100% Polyester. With multi usable (back)packing string bag.
Fits:
Made from strong Anti-tear Honeycomb ripstop fabric. Heat resistance till 120 degrees Celcius. Subtle branding.
100% Polyester. With multi usable (back)packing string bag.
Fits:
An essential tool for motorcycle enthusiasts and mechanics alike. Designed to provide stability and convenience, this paddock stand allows easy access to the wheels, suspension, and other components.
This premium rear bike stand can be disassembled, making transportation a lot easier. The compact bike stand comes in a shop worthy carrying case with a built-in carrying handle. The stand is made of premium steel and has a green and black finish. The Kawasaki logo is laser cut in steel.
Optional are the forks to suit your preference;