Kawasaki Ninja ZX6R 2021

Now available at Cycle Springs Powersports in Clearwater, FL: the 2021 Kawasaki Ninja ZX-6R—a race-inspired middleweight supersport motorcycle powered by a 636cc liquid-cooled inline 4-cylinder engine, built with aggressive Ninja styling, advanced rider electronics, premium Showa suspension, and track-ready street performance.

Key Highlights

• Engine & Performance: 636cc liquid-cooled DOHC inline 4-cylinder engine designed for strong low-to-midrange power and high-rpm supersport performance
• Fuel System: Digital fuel injection with 38 mm Keihin throttle bodies for precise throttle response
• Transmission: 6-speed transmission with Kawasaki Quick Shifter for clutchless upshifts
• Clutch: Assist & Slipper clutch helps reduce lever effort and manage rear-wheel hop during aggressive downshifts
• Rider Aids: Kawasaki Traction Control and selectable Power Modes help tailor performance to riding conditions
• Chassis: Pressed-aluminum perimeter frame designed for sharp handling, rider feedback, and supersport stability
• Suspension: Showa SFF-BP 41 mm inverted front fork and Uni-Trak rear suspension with adjustability for street and track riding
• Brakes: Dual 310 mm front petal discs with radial-mount 4-piston calipers and rear petal disc braking system
• Lighting & Display: Twin LED headlights, LED taillight, and multifunction LCD instrumentation with gear position, shift indicator, fuel information, and ride-mode data
• Supersport Ergonomics: Aggressive riding position, adjustable clutch lever, aerodynamic bodywork, and Ninja ZX styling

Specifications

• Displacement: 636 cc
• Engine Type: 4-stroke, liquid-cooled, DOHC, 16-valve inline 4-cylinder
• Bore x Stroke: 67.0 mm × 45.1 mm
• Compression Ratio: 12.9:1
• Fuel System: DFI with 38 mm Keihin throttle bodies
• Transmission: 6-speed with Positive Neutral Finder and Kawasaki Quick Shifter
• Final Drive: Sealed chain
• Front Suspension: 41 mm Showa SFF-BP inverted fork; adjustable preload, compression, and rebound damping; 4.7' travel
• Rear Suspension: Uni-Trak rear suspension with adjustable preload, compression, rebound damping, and ride height; 5.9' travel
• Front Brakes: Dual 310 mm petal discs with radial-mount opposed 4-piston calipers
• Rear Brake: Single 210 mm petal disc
• Front/Rear Tires: 120/70-ZR17 / 180/55-ZR17
• Fuel Capacity: 4.5 gal
• Seat Height: 32.7'
• Wheelbase: 55.1'
• Curb Weight: 425.6 lb

With a 636cc supersport engine, sharp aluminum chassis, Kawasaki rider aids, premium Showa suspension, and aggressive Ninja styling, the Ninja ZX-6R delivers serious sportbike performance for riders who want a machine built for both the street and the track. Contact Cycle Springs Powersports in Clearwater, FL for pricing and current availability.