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Sport Tourers

2021Kawasaki Ninja 1000SX

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The 2021 Kawasaki Ninja 1000SX is a sport-touring motorcycle powered by a 1043cc inline-four engine producing 140.1 horsepower, designed for riders seeking a blend of aggressive performance and everyday usability. Its fuel-injected powerplant and responsive handling make it ideal for both spirited road riding and longer-distance touring. The Ninja 1000SX is best known for delivering strong acceleration and dependable mid-range torque in a versatile, comfortable package.

Capacity
1043.0 ccm
Engine
In-line four, four-stroke
Gearbox
6-speed
Wet weight
235.0 kg
Seat height
835 mm
Power
140.1 HP (104.5 kW) @ 10000 RPM
⇄ Compare with another bike + Add to garage All model years
Other years 2020 2021 2022 2023 2024

How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 87Agility 75Comfort 80Off-road 10Touring 85Road manners 92
Off-road & trail10%
Cornering88%
City riding65%
Daily riding78%
Touring85%
Two-up78%
Track65%
Best for
Built as a sport-tourer that blends fast, engaging performance with the comfort and equipment needed for long-distance rides.
Built for
Combines a thrilling, high-revving sportbike engine with a comfortable upright riding position, electronic rider aids, and cruise control for versatile real-world riding.
Not ideal for
Not a good fit for off-road riding, absolute beginners, or riders seeking a lightweight, low-maintenance commuter.

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 us
At 835mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with balls of both feet on the 2021 Kawasaki Ninja 1000SX, with a moderate knee angle of around 90 degrees and a slightly forward riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

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Full specifications

Engine
Capacity
1043.0 ccm
Power
140.1 HP (104.5 kW) @ 10000 RPM
Torque
111.0 Nm (11.3 kgf-m) @ 8000 RPM
Engine type
In-line four, four-stroke
Power/weight ratio
0.5962 HP/kg (wet)
Bore x stroke
77.0 x 56.0 mm
Compression
11.8:1
Cooling system
Liquid
Fuel system
Injection
Starting
Electric
Ignition
TCBI with digital advance
Valves per cylinder
4
Lubrication system
Forced lubrication, wet sump with oil cooler
Transmission
Gearbox
6-speed
Transmission type
Manual
Final drive
Chain
Clutch
Wet multi-disc, manual
Performance
0-60 mph
3.00 seconds
0-100 km/h (0-62 mph)
3.20 seconds
Dimensions & weight
Wheelbase
1440 mm
Overall length
2100 mm
Overall width
825 mm
Overall height
1190 mm
Seat height
835 mm
Wet weight
235.0 kg
Fuel capacity
19.00 litres
Ground clearance
135 mm
Dry weight
Not on record - add it
Chassis & suspension
Frame
Aluminum backbone
Front suspension
41mm inverted cartridge fork with stepless compression and rebound damping, adjustable spring preload/4.7 in
Rear suspension
Horizontal monoshock with stepless rebound damping, remotely adjustable spring preload/5.4 in
Front wheel travel
119 mm
Rear wheel travel
145 mm
Rake (fork angle)
24.0°
Trail
99 mm
Brakes & wheels
Front brakes
Double disc. ABS. Four-piston calipers. Radially mounted.
Front brakes diameter
300 mm
Rear brakes
Single disc. ABS. Single-piston caliper.
ABS
Yes
Front tyre
120/70-ZR17
Rear tyre
190/50-ZR17
Other
Color options
Metallic Graphite Gray/Metallic Diablo Black
Warranty
12
Comments
Small windscreen. Kawasaki Traction Control (KTRC), Kawasaki Intelligent anti-lock Brake System (KIBS), Power Mode, Kawasaki Corner Management Function (KCMF).

Specs last verified against published sources: .

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 20202021202220232024
Capacity 1043 cc 1043 cc 1043 cc 1043 cc 1043 cc
Seat height 835 mm 835 mm 835 mm 835 mm 835 mm
Fuel capacity 19 L 19 L 19 L 19 L 19 L

Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.

Rider Reviews

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MotorcycleDB

The 2021 Kawasaki Ninja 1000SX is a top-of-the-line sport touring motorcycle that offers powerful performance and unmatched versatility. With its 1043cc inline-four engine, this bike delivers strong acceleration and smooth power delivery, making it a joy to ride on both city streets and open highways. The Ninja 1000SX also comes equipped with advanced features such as Kawasaki's Cornering Management Function, which provides enhanced stability and control when taking on tight corners. Its comfortable ergonomics and adjustable windscreen make it a great choice for long-distance rides, while its sleek, aggressive styling ensures that you'll turn heads wherever you go.

In conclusion, the 2021 Kawasaki Ninja 1000SX is a fantastic choice for riders who want a high-performance sport touring motorcycle that can handle any type of road or riding conditions. Its powerful engine, advanced technology, and comfortable design make it a standout option in its class. Whether you're a seasoned rider or a newcomer to the sport touring category, the Ninja 1000SX has everything you need to enjoy the ultimate riding experience.

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Common questions

What is the engine size of the Kawasaki Ninja 1000SX?

The 2021 Kawasaki Ninja 1000SX has a Capacity of 1043.0 ccm (63.65 cubic inches).

What engine power does the Kawasaki Ninja 1000SX have?

The 2021 Kawasaki Ninja 1000SX has a Power of 140.1 HP (104.5 kW) @ 10000 RPM.

How many gears does the Kawasaki Ninja 1000SX have?

The 2021 Kawasaki Ninja 1000SX has a Gearbox of 6-speed.

What is the torque of the Kawasaki Ninja 1000SX?

The 2021 Kawasaki Ninja 1000SX has a Torque of 111.0 Nm (11.3 kgf-m or 81.9 ft.lbs) @ 8000 RPM.

How much does the Kawasaki Ninja 1000SX weigh?

The 2021 Kawasaki Ninja 1000SX has a Wet weight of 235.0 kg (518.1 pounds).

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