Description
Into a category filled with 400cc sport models, Kawasaki introduces a revolutionary supersport model. The Ninja ZX-4R mounts a 399 cc In-Line Four engine with class-leading performance in a compact chassis with proportions similar to smaller-displacement models. On the track or on the street, experiencing the exhilaration of the Ninja ZX-4R’s unprecedented power, intoxicating high-rpm wail, and its sharp, nimble handling will surely awaken the dormant supersport within you.
- HIGH-REVVING 399 cc IN-LINE FOUR ENGINE
- WORLDSBK-INSPIRED CHASSIS DESIGN
- HIGH-PERFORMANCE SUSPENSION AND BRAKE COMPONENTS
- HIGH-GRADE ELECTRONICS AND FEATURES
- FIERCE NINJA ZX STYLING
- Centre Ram Air
- ø37 mm SFF-BP front suspension
- Horizontal Back-link rear suspension
- Dual ø290 mm semi-floating discs with radial-mount calipers
- Integrated Riding Modes (with KTRC and Power Modes)
- TFT instrumentation with Circuit Mode
- Smartphone connectivity
Maximum Power | 55.0 kW {75 PS} / 14,500 rpm |
Maximum Power with Ram Air | 56.7 kW {77 PS} / 14,500 rpm |
Maximum Torque | 37.6 Nm {3.8 kgfm} / 12,500 rpm |
Engine | 4-stroke In-Line Four |
Displacement | 399 cc |
Bore x Stroke | 57.0 x 39.1 mm |
Compression Ratio | 12.3:1 |
Valve System | DOHC, 16 valves |
Fuel System | Fuel injection: ø34 mm x 4 |
Ignition | Digital |
Starting | Electric |
Cooling | Liquid-cooled |
Lubrication | Forced lubrication, wet sump |
Transmission | 6-speed, return |
Primary Reduction Ratio | 2.029 (69/34) |
Gear Ratio: 1st | 2.929 (41/14) |
Gear Ratio: 2nd | 2.056 (37/18) |
Gear Ratio: 3rd | 1.619 (34/21) |
Gear Ratio: 4th | 1.333 (32/24) |
Gear Ratio: 5th | 1.154 (30/26) |
Gear Ratio: 6th | 1.037 (28/27) |
Final Reduction Ratio | 3.429 (48/14) |
Clutch | Wet multi-disc, manual |
Final Drive | Chain |