2026
2025 MODEL
NINJA® ZX™-4R ABS
Awaken Your Supersport
RRP
Coming Soon
QAR 1,250 SAVINGS
Specifications and pricing are subject to change.
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MODEL SPECS
399cc IN-LINE 4-CYLINDER
DOHC ENGINE
RAM AIR DUCT
INTAKE SYSTEM
TECHNOLOGY
Engine Management Technology
- Assist & Slipper Clutch
- Economical Riding Indicator
- Electronic Throttle valves
- KTRC (KAWASAKI TRACTION CONTROL)
- POWER MODES
- Smartphone Connectivity
RIDEOLOGY THE APP MOTORCYCLE
Chassis Management Technology
- ABS (Anti lock breaking system)
- Horizontal Back-link Rear Suspension
power
Engine
4-stroke, in-line 4-cylinder, DOHC, 16-valve, liquid-cooled
Displacement
399cc
Bore x Stroke
57.0 x 39.1mm
Compression Ratio
12.3:1
Maximum Horsepower
56.0 hp¹ @ 11,500 rpm
Maximum Torque
26.5 lb-ft @ 11,000 rpm
Fuel System
DFI® with 34mm throttle valves (4)
Ignition
TCBI with Digital Advance
Transmission
6-speed, return shift
Final Drive
Chain
Electronic Rider Aids
Economical Riding Indicator, Kawasaki TRaction Control (KTRC) (3-mode), Power Modes, Anti-lock Brake System (ABS)
Performance
Front Suspension / Wheel Travel
37mm inverted Showa fork with SFF-BP internals/0.12 m
Rear Suspension / Wheel Travel
Horizontal back-link, Showa shock w/ adjustable spring preload/0.11 m
Front Tire
110/70-17
Rear Tire
160/60-17
Front Brakes
Dual 290mm semi-floating discs with radial-mount 4-piston monobloc caliper and ABS
Rear Brakes
Single 220mm disc with single-piston caliper and ABS
details
Frame Type
Trellis, high-tensile steel
Rake/Trail
23.5°/0.10 m
Overall Length
1.99 m
Overall Width
0.76 m
Overall Height
1.11 m
Ground Clearance
0.13 m
Seat Height
0.80 m
Estimated Dry Weight
174 kg**
Curb Weight
188 kg*
Fuel Capacity
15.1 liters
Wheelbase
1.38 m
Special Features
4.3″ Full-color TFT Instrumentation, Smartphone Connectivity via RIDEOLOGY THE APP
Color Choices
Metallic Spark Black
*Curb weight includes all necessary materials and fluids to operate correctly, full tank of fuel (more than 90 percent capacity) and tool kit (if supplied). When equipped, California evaporative emissions equipment adds approximately 2.2 lb.
**Dry weight does not include all necessary materials and fluids to operate correctly, full tank of fuel (more than 90 percent capacity) and tool kit (if supplied).
¹This vehicle’s HP was measured according to ISO standard 4106. This ISO standard measures HP differently than the SAE standards by which the horsepower of many cars is measured, and as a result the referenced HP measurement may be higher than if it were measured by an SAE standard.
KAWASAKI CARES: Read Owner’s Manual and all on-product warnings. Always wear a helmet, eye protection and proper apparel. Never ride under the influence of drugs or alcohol. Adhere to the maintenance schedule in your Owner’s Manual. ©2026 Kawasaki Motors Corp., U.S.A.
Specifications subject to change.
Gallery
