2024 NINJA ZX-4RR 40th ANNIVERSARY EDITION

POWER

Maximum Power : 55.0 kW {75 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

PERFORMANCE

Frame : Trellis, high-tensile steel
Front Suspension : ø37 mm inverted fork (SFF-BP) with spring preload adjustability and top-out springs
Rear Suspension : Horizontal Back-link, BFRC lite gas-charged shock with piggyback reservoir, compression and rebound damping and spring preload adjustability, and top-out spring
Front Wheel Travel : 120 mm
Rear Wheel Travel : 124 mm
Rake : 23.5°
Trail : 97 mm

Steering Angle (L/R) : 35° / 35°
Front Tyre : 120/70ZR17M/C (58W)
Rear Tyre : 160/60ZR17M/C (69W)
Front Brake/s : Dual semi-floating ø290 mm discs
Front Caliper/s : Dual radial-mount, monobloc, opposed 4-piston
Rear Brake/s : ø220 mm disc
Rear Caliper/s : Single-piston

DETAILS

*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). **Estimated 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). KAWASAKI CARES: Always wear a helmet, eye protection, and proper apparel. Never ride under the influence of drugs or alcohol. Read Owner’s Manual and all on-product warnings. Professional rider shown on a closed course. 2021 Kawasaki Motors Pty Ltd. Specifications subject to change.