Kawasaki Z400…748,000 yen
Kawasaki Motors Japan has announced the 2025 model of its mid-class super naked model “Z400,” which will go on sale on Saturday, April 26, 2025. This model change includes changes to the coloring and graphics, and a new “Metallic Spark Black x Metallic Moondust Gray” color scheme has been adopted. This new color accentuates the aggressive styling that is characteristic of the Z series, creating a design that makes a statement even in urban areas. The price is 748,000 yen (tax included), and it will be sold at authorized Kawasaki dealers.
Engine and frame design that combines ease of use and performance
The Z400 is equipped with a 398cc liquid-cooled in-line twin-cylinder engine that delivers powerful torque from low rpm and smooth acceleration. This engine’s characteristics make it easy to handle for a wide range of riders, from beginners to veterans. In addition, the lightweight trellis frame provides excellent stability and high maneuverability, demonstrating agile handling. These characteristics contribute to the exciting ride and “Sugomi” performance that befits the name of the super naked “Z.”
Styling that inherits the cutting-edge “Sugomi” design
The styling of the Z400 is a dynamic design with a low front, inheriting the “Sugomi” design with its cutting-edge body shape. This unique silhouette hints at riding performance and captivates riders. In addition, the aggressive design is applied to every detail, such as the LED headlight and sharp tank shape, making it an eye-catching presence even in the city.
Equipment and specifications that support comfortable riding
The Z400 is packed with equipment and specifications that support a comfortable ride. The seat height is set at 785mm, making it easy for many riders to reach the ground with their feet. In addition, the vehicle weight is light at 167kg, making it easy to handle. Furthermore, ABS is standard equipment, and safety is also taken into consideration. These features provide a comfortable ride in a wide range of situations, from daily commuting to weekend touring.
The 2025 model Z400 has evolved into an even more attractive model with new coloring and graphics. Combining ease of handling and performance with aggressive styling, this model is worthy of attention as a mid-class super naked.
Main specifications
Maximum power: 35kW (48PS) / 10,000rpm
Maximum torque: 37N･m (3.8kgf･m) / 8,000rpm
Engine type: Water-cooled 4-stroke in-line twin-cylinder
Total displacement: 398cm³
Bore x stroke: 70.0mm x 51.8mm
Compression ratio: 11.5:1
Valve type: DOHC 4-valve
Fuel supply system: Fuel injection (ø32mm x 2)
Ignition system: Battery & coil (full transistor ignition)
Starting system: Electric starter
Lubrication system: Forced lubrication / wet sump
Engine oil capacity: 2.3L
Transmission type: Constant engagement, 6-speed return
Primary reduction ratio: 2.218 (71/32)
Gear ratio 1st: 2.928 (41/14)
Gear ratio 2nd: 2.055 (37/18)
Gear ratio 3rd: 1.619 (34/21)
Gear ratio 4th gear: 1.333 (32/24)
Gear ratio 5th gear: 1.153 (30/26)
Gear ratio 6th gear: 1.037 (28/27)
Secondary reduction ratio: 2.928 (41/14)
Clutch type: Wet multi-plate / manual transmission
Power transmission method: Chain
Frame type: Trellis (high-tensile steel)
Suspension type (front): Telescopic (inner tube diameter 41mm)
Suspension type (rear): Swing arm (bottom link uni-track, spring preload adjustable)
Wheel travel (front): 120mm
Wheel travel (rear): 130mm
Caster: 24.5°
Trail: 92mm
Steering angle (left/right): 35° / 35°
Tire size (front): 110/70R17M/C 54H
Tire size (rear): 150/60R17M/C 66H
Brake type Front: Single semi-floating petal disc (outer diameter 310mm)
Front caliper: Dual piston
Brake type Rear: Petal disc (outer diameter 220mm)
Rear caliper: Dual piston
Length x Width x Height: 1,990mm x 800mm x 1,055mm
Wheelbase: 1,370mm
Ground clearance: 145mm
Seat height: 785mm
Vehicle weight: 166kg
Fuel tank capacity: 14L
Fuel: Unleaded regular gasoline
Fuel consumption rate (reported by the Ministry of Land, Infrastructure, Transport and Tourism): 31.1km/L (60km/h, constant speed, with two occupants)
Fuel consumption rate (WMTC mode): 25.7km/L (Class 3-2, with one occupant)
Minimum turning radius: 2.6m
Passenger capacity: 2
Country of origin: Thailand
Model: 8BL-EX400L
Manufacturer’s warranty: 2 years
Release date: April 26, 2025
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