At the heart of the 2026 Kawasaki Ninja Zx6R sport motorcycle, Kawasaki features a 636 cc engine configuration. In factory specification, peak output is rated at 127 HP, transferring power to the rear wheel through a 6-speed, return shift gearbox and sealed chain final drive. With a specific output of 199.7 HP per liter, the engine character is placing it firmly in high-revving supersport territory where top-end breathing dominates.
On the scales, the Ninja Zx6R measures 436.6 kg (963 lbs) wet (curb), translating to a power-to-weight ratio of 0.29 HP/kg (3.44 kg per horsepower). Rider ergonomics and chassis geometry center around a 32 mm (1.3 in) seat height — giving shorter riders and urban commuters confident flat-foot reach at traffic stops, combined with a 55 mm (2.2 in) wheelbase engineered for quick, flickable steering geometry. The 4.5-liter (1.2 US gal) fuel tank supports practical everyday commuting and weekend road stints.
Within MotoLibrary's Kawasaki archive, this model family spans 2 indexed model years from 2025 to 2026, allowing buyers to track year-over-year changes in emissions tuning, weight and equipment.
Fuel SystemDFI® with 38mm Keihin throttle bodies (4) and oval sub-throttles
IgnitionTCBI with electronic advance
LubricationForced lubrication, wet sump
Transmission
Gearbox6-speed, return shift
Final DriveSealed chain
ClutchWet multi-disc, manual
Chassis
Frame TypeAluminum perimeter
Front Suspension41mm inverted fork Showa Separate Function Big Piston Fork (SFF-BP) with rebound and compression damping and spring preload adjustability, and top-out springs/4.7 in
Rear SuspensionBottom-link Uni-Trak® with single shock, stepless compression damping adjustment, stepless adjustable rebound damping, fully adjustable spring preload/5.9 in
Wheelbase55.1 in
Ground Clearance5.1 in
Wheels & Brakes
Front Tyre120/70 ZR17
Rear Tyre180/55 ZR17
Front BrakesDual semi-floating 310mm discs with dual radial-mounted, monobloc, opposed 4-piston caliper, Kawasaki Intelligent anti-lock Brake System (KIBS) (ABS only)
Rear BrakesSingle 220mm petal discs with single-piston caliper, Kawasaki Intelligent anti-lock Brake System (KIBS) (ABS only)
Use this page to compare this motorcycle by its real specifications, not only by model name. Focus on the details that affect fit, comfort, handling, range and ownership.
Power
Compare engine output with similar motorcycles if acceleration, highway use or two-up riding matters.
Torque
Torque is useful for judging real-world pull, especially for touring, commuting and loaded riding.
Seat Height
Check the seat height against your inseam and riding posture before choosing a motorcycle.
Weight
Compare weight carefully because it affects low-speed handling, parking and confidence.
Fuel Capacity
Fuel capacity helps estimate touring range and how often you may need to stop.
Brakes
Brake setup is worth comparing if you ride in traffic, mountains or with a passenger.
Suspension
Suspension details can matter for comfort, road feel and long-distance riding.
Transmission
Transmission and final drive affect maintenance, smoothness and everyday usability.
