Sportbikes
2021Kawasaki Ninja ZX-6R KRT
42 fields on record
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.
- Capacity
- 636.0 ccm
- Engine
- In-line four, four-stroke
- Gearbox
- 6-speed
- Wet weight
- 195.0 kg
- Seat height
- 830 mm
- Power
- 126.9 HP (92.6 kW) @ 13500 RPM
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built primarily for spirited backroad riding and track-day performance rather than commuting or long-distance travel.
- Built for
- 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.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Will it fit you?
Worked out in your browser - nothing is sent to usEngine
- Capacity
- 636.0 ccm
- Power
- 126.9 HP (92.6 kW) @ 13500 RPM
- Torque
- 71.0 Nm (7.2 kgf-m) @ 11500 RPM
- Engine type
- In-line four, four-stroke
- Power/weight ratio
- 0.6508 HP/kg (wet)
- Bore x stroke
- 67.0 x 45.1 mm
- Compression
- 12.9:1
- Cooling system
- Liquid
- Fuel system
- Injection
- Starting
- Electric
- Ignition
- TCBI with digital advance
- Valves per cylinder
- 4
- Lubrication system
- Forced lubrication, wet sump
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Assist and Slipper Clutch
Dimensions & weight
- Wheelbase
- 1395 mm
- Overall length
- 2024 mm
- Overall width
- 711 mm
- Overall height
- 1100 mm
- Seat height
- 830 mm
- Wet weight
- 195.0 kg
- Fuel capacity
- 17.00 litres
- Ground clearance
- 130 mm
- Dry weight
- Not on record - add it
Chassis & suspension
- Frame
- Aluminum perimeter
- Front suspension
- 41mm inverted Showa SFF-BP fork with top-out springs, stepless compression and rebound damping, adjustable spring preload
- 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
- Rear wheel travel
- 135 mm
- Rake (fork angle)
- 23.5°
- Trail
- 101 mm
Brakes & wheels
- Front brakes
- Double disc. Dual semi-floating petal discs. ABS.
- Front brakes diameter
- 310 mm
- Rear brakes
- Single disc. Single petal-type disc. ABS
- ABS
- Yes
- Front tyre
- 120/70-ZR17
- Rear tyre
- 180/55-ZR17
Other
- Color options
- Lime Green/Ebony/Pearl Blizzard White
- Warranty
- 12
- Comments
- Windscreen. Special KRT edition.
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
What changed, year to year
Differences highlighted| Specification | 2021 | 2022 | 2023 |
|---|---|---|---|
| Capacity | 636 cc | 636 cc | 636 cc |
| Seat height | 830 mm | 830 mm | 830 mm |
| Fuel capacity | 17 L | 17 L | 17 L |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the Kawasaki Ninja ZX-6R KRT?
The 2021 Kawasaki Ninja ZX-6R KRT has a Capacity of 636.0 ccm (38.81 cubic inches).
What engine power does the Kawasaki Ninja ZX-6R KRT have?
The 2021 Kawasaki Ninja ZX-6R KRT has a Power of 126.9 HP (92.6 kW) @ 13500 RPM.
How many gears does the Kawasaki Ninja ZX-6R KRT have?
The 2021 Kawasaki Ninja ZX-6R KRT has a Gearbox of 6-speed.
What is the torque of the Kawasaki Ninja ZX-6R KRT?
The 2021 Kawasaki Ninja ZX-6R KRT has a Torque of 71.0 Nm (7.2 kgf-m or 52.4 ft.lbs) @ 11500 RPM.
How much does the Kawasaki Ninja ZX-6R KRT weigh?
The 2021 Kawasaki Ninja ZX-6R KRT has a Wet weight of 195.0 kg (429.9 pounds).
Shop this bike
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Similar bikes
Same category, weighted similarity
2020 Kawasaki Ninja ZX-6R Performance
636 cc · 192 kg · 830 mm
2019 Kawasaki Ninja ZX-6R 636 KRT Edition
636 cc · 196 kg · 830 mm
2021 Yamaha YZF-R6
599 cc · 166 kg · 850 mm
2021 Honda CBR600RR
599 cc · 185 kg · 823 mm
2022 Yamaha YZF-R6
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2020 Paton S1-R Lightweight Race Edition
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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.
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