2025 Kawasaki Ninja ZX-6R (ZX636R)

Supersport Precision with Street Versatility

The 2025 Kawasaki Ninja ZX-6R represents the latest evolution of Kawasaki’s iconic middleweight supersport, balancing racetrack DNA with real-world rideability.
Featuring a high-revving 636 cc inline-four, advanced electronics, and aggressive aerodynamics, it delivers razor-sharp performance for riders who demand control and exhilaration on both street and circuit.

Engine & Performance

• Engine Type: 4-stroke, inline-four, DOHC, liquid-cooled
• Displacement: 636 cc
• Bore x Stroke: 67.0 mm x 45.1 mm
• Compression Ratio: 12.9:1
• Maximum Power: 128 hp @ 13,000 rpm (134 hp with RAM air)
• Maximum Torque: 52 lb-ft @ 11,000 rpm
• Fuel System: Digital fuel injection with 38 mm throttle bodies and dual injectors
• Transmission: 6-speed close-ratio gearbox with assist & slipper clutch
• Final Drive: Chain
• Electronics: Ride modes, traction control, power modes, and optional quick shifter

Chassis & Dimensions

• Frame: Aluminum perimeter frame with high rigidity
• Front Suspension: Showa SFF-BP 41 mm inverted fork, adjustable preload, rebound, and compression
• Rear Suspension: Bottom-link Uni-Trak gas-charged shock with remote preload adjuster
• Front Brake: Dual 310 mm semi-floating discs with radial-mount 4-piston calipers
• Rear Brake: Single 220 mm disc, single-piston caliper
• Wheelbase: 55.1 in / 1,400 mm
• Seat Height: 32.7 in / 830 mm
• Fuel Capacity: 4.5 gal / 17 L
• Curb Weight: 430 lb / 195 kg (approx.)

Design & Features

• Styling: Sharp supersport bodywork inspired by the ZX-10R, with aerodynamic winglets and LED lighting
• Display: 4.3″ TFT color display with smartphone connectivity via Kawasaki Rideology app
• Electronics Suite: Integrated traction control, power modes, ride modes, and optional quick shifter
• Lighting: Full LED headlight, taillight, and turn signals
• Ergonomics: Aggressive riding stance with precision footpeg and bar placement for optimal control

Performance Highlights

• Handling: Lightweight chassis and Showa suspension deliver race-level agility and stability
• Braking: Dual radial-mount brakes provide powerful, precise control
• Acceleration: 636 cc powerplant offers responsive torque and high-revving top-end pull
• Technology: Advanced rider aids optimize performance for both street and track use
• Design: Aerodynamic bodywork enhances stability and style at speed

Pricing

• MSRP (New): $11,399 USD (base model)
• Special Editions: KRT Edition or ABS version may vary slightly in price

Conclusion

The 2025 Kawasaki Ninja ZX-6R continues its reign as a benchmark in the 600-class supersport world — combining cutting-edge performance, sharp handling, and rider-focused technology.
With its 636 cc engine, advanced electronics, and striking design, it’s equally thrilling on track days and spirited street rides, delivering a perfect balance of control and adrenaline.