main content of page
Professional rider(s) on a closed course.
NINJA® ZX™-4RR KRT EDITION ABS
AWAKEN YOUR SUPERSPORT
Professional rider(s) on a closed course.
MODEL SPECS |
KAWASAKI TRACTION
CONTROL (KTRC)
ASSIST & SLIPPER
CLUTCH
Click on a technology to learn more.
| Engine Management Technology |
| Chassis Management Technology |
| Engine | 4-stroke, In-Line Four, OHC, 16-valve, liquid-cooled |
| Displacement | 399cc |
| Bore x Stroke | 57.0 x 39.1mm |
| Compression Ratio | 12.3:1 |
| Fuel System | DFI® with 34mm throttle valves (4) |
| Ignition | Digital |
| Transmission | 6-speed, manual, return shift |
| Final Drive | Chain |
| Electronic Rider Aids | Economical Riding Indicator, Kawasaki TRaction Control (KTRC) (3-mode), Kawasaki Quick Shifter (KQS) (dual direction), Power Modes, Anti-lock Brake System (ABS) |
| Front Suspension / Wheel Travel | 37mm inverted fork with SFF-BP internals and spring preload adjustability/4.7 in |
| Rear Suspension / Wheel Travel | Horizontal Back-link, BFRC lite gas charged shock w/ piggyback reservoir, adjustable compression, rebound and spring preload/4.9 in |
| Front Tire | 110/70-17 |
| Rear Tire | 160/60-17 |
| Front Brakes | Dual 290mm discs, ABS |
| Rear Brakes | Single 220mm disc, ABS |
| Frame Type | Trellis, high-tensile steel |
| Rake/Trail | 23.5°/3.8 in |
| Overall Length | 78.3 in |
| Overall Width | 30.1 in |
| Overall Height | 43.7 in |
| Ground Clearance | 5.3 in |
| Seat Height | 31.5 in |
| Curb Weight | 414.5 lb* |
| Fuel Capacity | 4.0 gal |
| Wheelbase | 54.3 in |
| Special Features | 4.3" Full-Color TFT Instrumentation, Smartphone Connectivity via RIDEOLOGY THE APP |
| Color Choices | Lime Green/Ebony |
| Warranty | 12 Month Limited Warranty |
*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).
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. ©2025 Kawasaki Motors Corp., U.S.A.
Specifications subject to change.
GALLERY |
Professional rider(s) on a closed course.
FIND A KAWASAKI DEALER IN YOUR AREA
Locate a Dealer
SIMILAR MODELS |
SUPERSPORT
NINJA® ZX™-4R
NINJA® ZX™-6R
NINJA® ZX™-10R