43,678 bikes · 493 makes Add a bikeLog inRegister
Sportbikes

2021Kawasaki Ninja H2R

Rate this bike
Click to vote

43 fields on record

The 2021 Kawasaki Ninja H2R is an extreme superbike engineered for experienced track-focused riders seeking uncompromising performance. Its supercharged 998cc inline-four engine delivers a staggering 228 horsepower, making it one of the most powerful production motorcycles ever built. Best known for its forced-induction engineering and track-day dominance, the H2R represents the pinnacle of hyperbike technology.

Capacity
998.0 ccm
Engine
In-line four, four-stroke
Gearbox
6-speed
Wet weight
215.9 kg
Seat height
831 mm
Power
305.8 HP (228.0 kW) @ 14000 RPM
⇄ Compare with another bike + Add to garage All model years

What’s new for the 2021 Kawasaki Ninja H2R

vs the 2020
Spec20202021
Front brakes Double disc. Brembo. Floating discs. ABS. Double disc. Dual radial-mount, opposed 4-piston Brembo Stylema® calipers, dual semi-floating discs. ABS.
Rear brakes Single disc. Brembo. ABS. Single disc. Opposed 2-piston calipers. ABS.
Other years 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027

How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 98Agility 88Comfort 20Off-road 0Touring 5Road manners 30
Off-road & trail0%
Cornering90%
City riding5%
Daily riding3%
Touring5%
Two-up0%
Track100%
Best for
Built purely for outright top speed and record-chasing track performance rather than any form of practical transportation.
Built for
An uncompromising, adrenaline-driven hypersport weapon that rewards precision and punishes hesitation.
Not ideal for
This bike is not for commuting, touring, carrying passengers, beginners, or anyone seeking comfort or everyday usability.

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 831mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with balls of both feet on the 2021 Kawasaki Ninja H2R, with a cramped knee angle of around 75 degrees and a forward-leaning 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.

More bikes at 821-900 mm — Long Legs →

Find bikes that fit your height →

Full specifications

Engine
Capacity
998.0 ccm
Power
305.8 HP (228.0 kW) @ 14000 RPM
Torque
165.0 Nm (16.8 kgf-m) @ 12500 RPM
Engine type
In-line four, four-stroke
Power/weight ratio
1.4164 HP/kg (wet)
Bore x stroke
76.0 x 55.0 mm
Compression
8.3:1
Cooling system
Liquid
Fuel system
Injection
Starting
Electric
Ignition
Digital
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
Dimensions & weight
Wheelbase
1450 mm
Overall length
2070 mm
Overall width
851 mm
Overall height
1161 mm
Seat height
831 mm
Wet weight
215.9 kg
Fuel capacity
17.00 litres
Ground clearance
130 mm
Dry weight
Not on record - add it
Chassis & suspension
Frame
Trellis, high-tensile steel with Swingarm Mounting Plate
Front suspension
43 mm inverted fork with rebound and compression damping, spring preload adjustability and top-out springs
Rear suspension
Uni-Trak, Öhlins TTX36 gas-charged shock with piggyback reservoir, compression damping, rebound damping, preload adjustability and top-out spring
Front wheel travel
119 mm
Rear wheel travel
135 mm
Rake (fork angle)
25.1°
Trail
109 mm
Brakes & wheels
Front brakes
Double disc. Dual radial-mount, opposed 4-piston Brembo Stylema® calipers, dual semi-floating discs. ABS.
Front brakes diameter
330 mm
Rear brakes
Single disc. Opposed 2-piston calipers. ABS.
Rear brakes diameter
250 mm
ABS
Yes
Front tyre
120/70-ZR17
Rear tyre
190/65-ZR17
Other
Color options
Mirror Coated Matte Spark Black
Warranty
12
Comments
Kawasaki Cornering Management Function (KCMF), Kawasaki Traction Control (KTRC), Kawasaki Launch Control Mode (KLCM), Kawasaki Intelligent anti-lock Brake System (KIBS).

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 20152018202120242027
Capacity 998 cc 998 cc 998 cc 998 cc 998 cc
Dry weight — — — — 196 kg
Seat height 831 mm 830 mm 831 mm 830 mm 831 mm
Fuel capacity 17 L 17 L 17 L 17 L 17 L

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

Rider Reviews

—
☆☆☆☆☆
Be the first to rate
MotorcycleDB

The 2021 Kawasaki Ninja H2R is a high-performance motorcycle that delivers an adrenaline-pumping riding experience. Its powerful 998cc supercharged engine produces an incredible 310 horsepower, making it one of the fastest bikes on the market. The H2R's sleek and aggressive design, coupled with advanced aerodynamics, allows for maximum speed and stability on the track. With top-of-the-line components and cutting-edge technology, the Ninja H2R is a dream machine for riders who crave speed and power.

In addition to its impressive performance, the 2021 Kawasaki Ninja H2R boasts top-notch handling and braking capabilities, providing riders with ultimate control and confidence on the road. The bike's state-of-the-art electronics and suspension systems further enhance its overall performance, making it a thrilling and exciting ride for motorcycle enthusiasts. With its combination of power, speed, and precision, the Ninja H2R is a true powerhouse in the world of supercharged motorcycles.

Own one? Add it to My Garage and write an owner review with an Owner badge.

Common questions

What is the engine size of the Kawasaki Ninja H2R?

The 2021 Kawasaki Ninja H2R has a Capacity of 998.0 ccm (60.90 cubic inches).

What engine power does the Kawasaki Ninja H2R have?

The 2021 Kawasaki Ninja H2R has a Power of 305.8 HP (228.0 kW) @ 14000 RPM.

How many gears does the Kawasaki Ninja H2R have?

The 2021 Kawasaki Ninja H2R has a Gearbox of 6-speed.

What is the torque of the Kawasaki Ninja H2R?

The 2021 Kawasaki Ninja H2R has a Torque of 165.0 Nm (16.8 kgf-m or 121.7 ft.lbs) @ 12500 RPM.

How much does the Kawasaki Ninja H2R weigh?

The 2021 Kawasaki Ninja H2R has a Wet weight of 215.9 kg (476.0 pounds).

Shop this bike

Affiliate links

We may earn a commission from qualifying eBay or Amazon purchases made through these links. As an Amazon Associate I earn from qualifying purchases.

Similar bikes

Same category, weighted similarity

More Kawasaki Motorcycles