Category | Specification |
---|---|
Engine Type | 399 cc, liquid-cooled, 4‑stroke, DOHC, 16‑valve inline‑four |
Displacement | 399 cc |
Max Power | 77 PS (57 kW) @ 14,500 rpm; 80 PS with ram air |
Max Torque | 39 Nm @ 13,000 rpm |
Bore × Stroke | 57 × 39.1 mm |
Compression Ratio | 12.3 : 1 |
Starting System | Electric self-start |
Fuel System | Multipoint EFI with 34 mm throttle bodies + ram-air |
Transmission | 6‑speed manual, chain drive |
Clutch | Wet multi-disc |
Frame | Trellis high-tensile steel |
Front Suspension | 37 mm Showa SFF‑BP inverted fork (preload adjustable on SE/RR) |
Rear Suspension | Horizontal back-link shock; RR = Showa BFRC-lite (adjustable) |
Front Brake | Dual 290 mm petal discs, radial-mount 4-pot calipers, ABS |
Rear Brake | 220 mm disc with ABS |
Front Tyre | 120/70‑17 tubeless |
Rear Tyre | 160/60‑17 tubeless |
Wheelbase | 1,380 mm |
Seat Height | 800 mm |
Ground Clearance | 135 mm |
Dry/Wet Weight | 188–189 kg |
Fuel Tank Capacity | 15 L |
Electronics & Features | 4.3″ TFT, smartphone Bluetooth, 4 ride modes, KTRC, KQS (dual-direction on SE/RR) |
Lighting | All LED |
The Kawasaki Ninja ZX‑4RR (2025) is a groundbreaking sub-400 cc supersport, powered by a high-revving inline-four engine delivering 77 PS (80 PS with ram-air) and 39 Nm torque. Mated to a 6‑speed gearbox, electric start, and EFI with ram-air, it strikes exceptional performance. Its lightweight trellis chassis, 37 mm Showa SFF‑BP forks, and race-grade BFRC-lite rear shock (RR) deliver razor-sharp handling. Braking is managed by dual 290 mm discs with ABS. The bike also includes a Smart TFT display, ride modes, traction control, and optional quick-shifter on SE/RR models. With aggressive styling and high-spec features, the ZX‑4RR sets a new standard in the 400cc class.