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A fiercely authentic supernaked, the Kawasaki Z400 exudes fresh street style and is immediately recognisable in a crowd with its compact chassis and aggressive styling. Comfortable, balanced and capable, the Z400 offers a visceral riding experience that’s sure to turn heads.
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The Z400’s 399 cc engine delivers a balance of performance and controllability. Strong performance at all rpm is complemented by good power feeling. Smooth, predictable response contributes to an easy-to-control engine character.
The Z400’s 399 cc engine delivers a balance of performance and controllability. Strong performance at all rpm is complemented by good power feeling. Smooth, predictable response contributes to an easy-to-control engine character.
With its light weight, the chassis delivers a balance of stability and light, easy manoeuvrability. Its slim design facilitates both control and ease of riding, making the Z400 an easy choice for both new and experienced riders.
With its light weight, the chassis delivers a balance of stability and light, easy manoeuvrability. Its slim design facilitates both control and ease of riding, making the Z400 an easy choice for both new and experienced riders.
Combining the sharp, aggressive style of the Z650 with the large-volume bodywork of its predecessor creates an aggressive, agile, masculine impression. Its muscular, athletic bodywork reflects its sporty performance while forming a flowing design that appears to float above the engine. Like other models in the Z series, sugomi design elements (crouching stance, low-positioned head and upswept tail) give the Z400 a silhouette instantly recognisable as a Kawasaki Supernaked.
Combining the sharp, aggressive style of the Z650 with the large-volume bodywork of its predecessor creates an aggressive, agile, masculine impression. Its muscular, athletic bodywork reflects its sporty performance while forming a flowing design that appears to float above the engine. Like other models in the Z series, sugomi design elements (crouching stance, low-positioned head and upswept tail) give the Z400 a silhouette instantly recognisable as a Kawasaki Supernaked.
The Z400’s 399 cc engine delivers a balance of performance and controllability. Strong performance at all rpm is complemented by good power feeling. Smooth, predictable response contributes to an easy-to-control engine character.
The Z400’s 399 cc engine delivers a balance of performance and controllability. Strong performance at all rpm is complemented by good power feeling. Smooth, predictable response contributes to an easy-to-control engine character.
With its light weight, the chassis delivers a balance of stability and light, easy manoeuvrability. Its slim design facilitates both control and ease of riding, making the Z400 an easy choice for both new and experienced riders.
With its light weight, the chassis delivers a balance of stability and light, easy manoeuvrability. Its slim design facilitates both control and ease of riding, making the Z400 an easy choice for both new and experienced riders.
Combining the sharp, aggressive style of the Z650 with the large-volume bodywork of its predecessor creates an aggressive, agile, masculine impression. Its muscular, athletic bodywork reflects its sporty performance while forming a flowing design that appears to float above the engine. Like other models in the Z series, sugomi design elements (crouching stance, low-positioned head and upswept tail) give the Z400 a silhouette instantly recognisable as a Kawasaki Supernaked.
Combining the sharp, aggressive style of the Z650 with the large-volume bodywork of its predecessor creates an aggressive, agile, masculine impression. Its muscular, athletic bodywork reflects its sporty performance while forming a flowing design that appears to float above the engine. Like other models in the Z series, sugomi design elements (crouching stance, low-positioned head and upswept tail) give the Z400 a silhouette instantly recognisable as a Kawasaki Supernaked.
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.
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.
ERGO-FIT is an interface system that allows a wide range of riders to feel at one with their machine.
Proper fit is key for rider comfort and control. However, the ideal fit varies from rider to rider, depending on their physical dimensions and riding style. ERGO-FIT is an interface system designed to allow riders to find their ideal riding position. Various points of the chassis interface (the handlebar, footpegs and seat, etc) can be adjusted through a combination of interchangeable parts and parts with adjustable positions. This enables a wide range of riders to find a riding position that offers both comfort and control. Feeling at one with their machine, they will be able to experience how Kawasaki machines are fun and rewarding to ride. *Adjustable parts and their range of adjustability vary by model.
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.
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.
ERGO-FIT is an interface system that allows a wide range of riders to feel at one with their machine.
Proper fit is key for rider comfort and control. However, the ideal fit varies from rider to rider, depending on their physical dimensions and riding style. ERGO-FIT is an interface system designed to allow riders to find their ideal riding position. Various points of the chassis interface (the handlebar, footpegs and seat, etc) can be adjusted through a combination of interchangeable parts and parts with adjustable positions. This enables a wide range of riders to find a riding position that offers both comfort and control. Feeling at one with their machine, they will be able to experience how Kawasaki machines are fun and rewarding to ride. *Adjustable parts and their range of adjustability vary by model.
Engine type | Liquid-cooled, 4-stroke, parallel twin |
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Compression ratio | 11.5:1 |
Valve system | DOHC, 8 valves |
Bore x stroke | 70.0 x 51.8 mm |
Displacement | 399 cm³ |
Fuel system | Fuel injection: 32 mm x 2 |
Lubrication | Forced lubrication, semi‑dry sump |
Starting system | Electric |
Ignition system | Digital |
Maximum power | 35.0 kW {48 PS} / 10,000 rpm |
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Maximum torque | 37.0 N•m {3.8 kgf•m} / 8,000 rpm |
CO2 emission | 91 g/km |
Fuel consumption | 3.9 l/100km |
Transmission | 6-speed, return shift |
Clutch | Wet, multi disc |
Primary reduction ratio | 2.219 (71/32) |
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 | 2.929 (41/14) |
Frame type | Trellis, high-tensile steel |
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Trail | 92 mm |
Wheel travel front | 120 mm |
Wheel travel rear | 130 mm |
Tyre, front | 110/70R17 M/C 54H |
Tyre, rear | 150/60R17 M/C 66H |
L x W x H | 1,990 x 800 x 1,055 mm |
Steering angle L/R | 35° / 35° |
Wheel base | 1,370 mm |
Ground clearance | 145 mm |
Fuel capacity | 14.0 litres |
Seat height | 785 mm |
Curb mass | 167 kg |
Front brake type | Single semi-floating petal disc |
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Front brake diameter | Ø 310 mm |
Front brake caliper type | Dual-piston |
Rear brake type | Single petal disc |
Rear brake diameter | Ø 220 mm |
Rear brake caliper type | Dual-piston |
Front suspension type | Telescopic fork |
Front suspension diameter | Ø 41 mm |
Rear suspension type | Bottom-link Uni-Trak, gas-charged shock, and spring preload adjustability |
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