Kawasaki Ninja ZX-4RR

🏍️ Kawasaki Ninja ZX-4RR: Race-Ready Supersport in a Compact Form

The Kawasaki Ninja ZX-4RR is a high-performance, track-focused supersport motorcycle that brings the thrill of a race bike to a compact 400cc class. Built as the pinnacle of Kawasaki’s small-displacement sportbike range, the ZX-4RR is designed for enthusiasts who crave aggressive performance, razor-sharp handling, and cutting-edge technology in a lightweight package.

⚙️ Engine & Performance

At its heart is a 399cc inline-four, liquid-cooled, DOHC engine – a unique feature in this segment. This high-revving motor produces an impressive 76.4 PS (with RAM air) at 14,500 rpm and 37.6 Nm of torque at 12,500 rpm. Its redline stretches beyond 15,000 rpm, giving it a superbike-like character in a compact frame.

• Transmission: 6-speed with assist & slipper clutch

• Quickshifter: Standard bi-directional quickshifter

• Power Delivery: Linear and rev-happy, perfect for track use and spirited riding

🛠️ Chassis & Suspension

Built on a high-tensile steel trellis frame, the ZX-4RR offers incredible stiffness and lightweight balance. Handling is enhanced through premium components:

• Front Suspension: 37 mm Showa SFF-BP USD forks, preload adjustable

• Rear Suspension: Showa BFRC-lite monoshock, fully adjustable (same tech as used in the ZX-10R)

🛑 Braking & Safety

• Front: Dual 290 mm discs with radial-mounted monobloc calipers

• Rear: Single 220 mm disc

• ABS: Dual-channel Bosch ABS for controlled braking

The braking setup, along with grippy tires on 17-inch wheels, provides superb stopping power and stability under aggressive riding conditions.

🧠 Electronics & Features

The ZX-4RR is equipped with advanced rider aids and a modern interface:

• Ride Modes: Sport, Road, Rain, and Rider (custom)

• Traction Control: Multi-level Kawasaki Traction Control (KTRC)

• Display: 4.3-inch TFT color LCD with smartphone connectivity via Rideology app

• Lighting: Full LED setup (headlight, taillight, indicators)

• Other: Launch control, lap timer, and gear position indicator

📏 Dimensions & Ergonomics

• Kerb Weight: ~189 kg

• Seat Height: 800 mm

• Fuel Tank: 15 liters

• Wheelbase: 1,380 mm

Despite being lightweight, the ZX-4RR offers a substantial and planted feel, with a rider-focused aggressive ergonomics setup—ideal for track days and twisty roads.

💸 Pricing & Rivals

• Ex-Showroom India Price: ₹9.10 lakh (approx.)

• Rivals: Yamaha R3, Aprilia RS 457, KTM RC 390 – but none offer a four-cylinder engine in this class, making the ZX-4RR uniquely positioned.

🏁 Verdict

The Kawasaki Ninja ZX-4RR is the only four-cylinder supersport in the 400cc segment, offering performance and refinement unmatched by any direct competitor. Whether you’re a budding track rider or an enthusiast looking for a thrilling, high-revving middleweight, the ZX-4RR brings real race DNA into a manageable, exciting, and tech-loaded package.