14 August. Friday 2026
Kawasaki Ninja ZX-6R KRT - 2021 Specifications and Reviews
The 2021 Kawasaki Ninja ZX-6R KRT is a middleweight sport bike designed for experienced riders seeking sharp handling and responsive performance. Powered by a 127 horsepower inline-four engine, it delivers aggressive acceleration and precise control, making it ideal for both track days and spirited street riding. The KRT edition is renowned for its race-derived engineering and Kawasaki's commitment to affordable, accessible sportbike performance.
General information | |
| Category | Sport |
| Year | 2021 |
| Model | Kawasaki Ninja ZX-6R KRT |
Engine and Transmission Specifications | |
| Driveline | Sealed chain |
| Clutch | Assist and Slipper Clutch |
| Transmission type | Chain (final drive) |
| Gearbox | 6-speed |
| Cooling system | Liquid |
| Lubrication system | Forced lubrication, wet sump |
| Ignition | TCBI with digital advance |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) |
| Fuel system | Injection. DFI® w/38mm Keihin throttle bodies (4) and oval sub-throttles |
| Valves per Cylinder | 4 |
| Bore x Stroke | 67.0 x 45.1 mm (2.6 x 1.8 inches) |
| Compression | 12.9:1 |
| Torque | 71.0 Nm (7.2 kgf-m or 52.4 ft.lbs) @ 11500 RPM |
| Power | 126.9 HP (92.6 kW) @ 13500 RPM |
| Engine type | In-line four, four-stroke |
| Capacity: | 636.0 ccm (38.81 cubic inches) |
| | |
Brakes, suspension, Frame and wheels | |
| Rear brakes | Single disc. Single petal-type disc. ABS |
| Diameter | 310 mm (12.2 inches) |
| Front brakes | Double disc. Dual semi-floating petal discs. ABS. |
| Rear tire | 180/55-ZR17 |
| Front tire | 120/70-ZR17 |
| Rear wheel travel | 135 mm (5.3 inches) |
| Rear Suspension | Bottom-link Uni-Trak® with gas-charged shock, stepless compression damping adjustment, 25-way adjustable rebound damping, fully adjustable spring preload |
| Front wheel travel | 119 mm (4.7 inches) |
| Front Suspension | 41mm inverted Showa SFF-BP fork with top-out springs, stepless compression and rebound damping, adjustable spring preload |
| Trail | 101 mm (4.0 inches) |
| Rake (fork angle) | 23.5° |
| Frame type | Aluminum perimeter |
| | |
Physical measures and capacities | |
| Fuel capacity | 17.00 litres (4.49 US gallons) |
| Wheelbase | 1395 mm (54.9 inches) |
| Ground clearance | 130 mm (5.1 inches) |
| Overall width | 711 mm (28.0 inches) |
| Overall length | 2024 mm (79.7 inches) |
| Overall height | 1100 mm (43.3 inches) |
| Seat height | 830 mm (32.7 inches) If adjustable, lowest setting. |
| Weight incl. oil, gas, etc | 195.0 kg (430.0 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Comments | Windscreen. Special KRT edition. |
| Factory warranty | 12 Month Limited Warranty |
| Starter | Electric |
| Color options | Lime Green/Ebony/Pearl Blizzard White |
Performance Profile & Rider Fit
126.2 hp
Peak Power
3.3s
0-60 mph
Best For
Track95%
City40%
Cornering96%
Daily Riding45%
Touring25%
Passenger20%
Rider Profile
| Best For | Best suited to experienced riders who are comfortable with a high-strung, high-RPM supersport engine and aggressive riding position. |
| Purpose | Built primarily for spirited backroad riding and track-day performance rather than commuting or long-distance travel. |
| Rider Fit | Demands a fit, committed rider due to its low clip-on bars, high footpegs, and tall seat that put significant weight on the wrists and legs. |
| Character | A razor-sharp, high-revving in-line four supersport that rewards precise inputs with explosive top-end power and razor-edged cornering ability. |
| Not Ideal For | Not a good fit for new riders, those seeking upright comfort, or anyone planning to carry a passenger or luggage regularly. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
Rider Reviews
Total comments: 1
MotorcycleDB Review
The 2021 Kawasaki Ninja ZX-6R KRT motorcycle is a powerful and agile bike that offers a thrilling riding experience. With its 636cc engine, the Ninja ZX-6R KRT delivers impressive acceleration and top speed, making it perfect for riders who crave speed and performance. The bike's KRT edition design is sleek and eye-catching, featuring the iconic Kawasaki Racing Team livery that will surely turn heads on the road. Whether you're carving through twisty mountain roads or cruising on the highway, the Ninja ZX-6R KRT offers a balanced and responsive ride that is sure to impress. Overall, the 2021 Kawasaki Ninja ZX-6R KRT motorcycle is a fantastic choice for riders who are looking for a high-performance sport bike with a striking design. With its powerful engine and agile handling, this bike is perfect for those who want to push their limits on the road. The KRT edition adds an extra touch of style, making the Ninja ZX-6R KRT stand out from the crowd. If you're in the market for a versatile and thrilling sports bike, the Ninja ZX-6R KRT is definitely worth considering.Add a Comment
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