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Sportbikes

2011Kawasaki Ninja ZX-6R

3.7
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The 2011 Kawasaki Ninja ZX-6R is a middleweight sport bike designed for riders seeking sharp handling and responsive performance on both road and track. Powered by a 599cc liquid-cooled inline-four engine with advanced fuel injection, it delivers aggressive acceleration and refined power delivery. Known for its lightweight agility and precise chassis dynamics, the ZX-6R excels as a versatile platform for intermediate to experienced sport riders.

Capacity
599.0 ccm
Engine
In-line four, four-stroke
Gearbox
6-speed
Wet weight
191.1 kg
Seat height
815 mm
Power
107.8 HP (79.3 kW)

What’s new for the 2011 Kawasaki Ninja ZX-6R

vs the 2010
Spec20102011
Front suspension 41 mm inverted Showa Big Piston Front fork with top-out springs, stepless compression and rebound damping, fully-adjustable spring preload / 4.7 in. 41 mm inverted Showa Big Piston fork with top-out springs, stepless compression and rebound damping, fully adjustable spring preload / 4.7 in.
Rear suspension Bottom-Link Uni-Trak with gas-charged shock, top-out spring and pillow ball upper mount, dual-range (high/low-speed) stepless compression damping, 25-way adjustable rebound damping, fully-adjustable spring preload / 5.3 in. Bottom-link Uni-Trak with gas-charged shock, top-out spring and pillow ball upper mount, dual-range (high-/low-speed) stepless compression damping, 25-way adjustable rebound damping, fully adjustable spring preload / 5.3 in.
Other years 2004 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 70Agility 77Comfort 45Off-road 5Touring 30Road manners 88
Off-road & trail5%
Cornering93%
City riding45%
Daily riding40%
Touring30%
Two-up30%
Track92%
Best for
Built primarily for spirited canyon carving and track days, with razor-sharp handling as its main selling point over outright straight-line power.
Built for
A revvy, precise, and eager middleweight that rewards riders who like to work the gearbox and chase the tach needle through corners.
Not ideal for
Not a good fit for new riders, anyone prioritizing all-day comfort, or those planning to load it up with luggage and a passenger for long-distance touring.

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 815mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with both feet flat on the 2011 Kawasaki Ninja ZX-6R, with a cramped knee angle of around 70 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 751-820 mm — Middle Ground →

Find bikes that fit your height →

Full specifications

Engine
Capacity
599.0 ccm
Power
107.8 HP (79.3 kW)
EPA Certificate No.
BKAXC.599AAG-004
EPA CO Emissions
4.9 CO g/km
Engine type
In-line four, four-stroke
Power/weight ratio
0.5641 HP/kg
Bore x stroke
67.0 x 42.5 mm
Compression
13.3:1
Cooling system
Liquid
Fuel system
Injection
Starting
Electric
Ignition
TCBI with digital advance
Aspiration
Naturally aspirated
Valves per cylinder
4
Torque
Not on record - add it
Transmission
Gearbox
6-speed
Transmission type
Manual
Final drive
Chain
Performance
0-60 mph
3.20 seconds
0-100 km/h (0-62 mph)
3.40 seconds
Dimensions & weight
Wheelbase
1400 mm
Overall length
2090 mm
Overall width
711 mm
Overall height
1115 mm
Seat height
815 mm
Wet weight
191.1 kg
Fuel capacity
17.00 litres
Dry weight
Not on record - add it
Chassis & suspension
Frame
Aluminum perimeter
Front suspension
41 mm inverted Showa Big Piston fork with top-out springs, stepless compression and rebound damping, fully adjustable spring preload / 4.7 in.
Rear suspension
Bottom-link Uni-Trak with gas-charged shock, top-out spring and pillow ball upper mount, dual-range (high-/low-speed) stepless compression damping, 25-way adjustable rebound damping, fully adjustable spring preload / 5.3 in.
Front wheel travel
120 mm
Rear wheel travel
135 mm
Rake (fork angle)
24.0°
Trail
104 mm
Brakes & wheels
Front brakes
Double disc
Front brakes diameter
300 mm
Rear brakes
Single disc
Rear brakes diameter
220 mm
Front tyre
120/70-ZR17
Rear tyre
180/55-ZR17
Other
Color options
Lime Green/Ebony, Ebony/Flat Black, Candy Plasma Blue/Ebony
Warranty
12
Fuel Tank Material
M

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 20042011201620202025
Capacity 636.00 ccm (38.81 cubic inches) 599.00 ccm (36.55 cubic inches) 636.00 ccm (38.81 cubic inches) 636.0 ccm (38.81 cubic inches) 636.0 ccm (38.81 cubic inches)
Dry weight 161.0 kg (354.9 pounds)
Seat height 815 mm (32.1 inches) 831 mm (32.7 inches) 830 mm (32.7 inches) 830 mm (32.7 inches)
Fuel capacity 17.03 litres (4.50 gallons) 17.03 litres (4.50 gallons) 17.00 litres (4.49 US gallons) 17.00 litres (4.49 US gallons)
Color options Lime green, blue, silver Lime Green/Ebony, Ebony/Flat Black, Candy Plasma Blue/Ebony Lime Green/Flat Ebony, Pearl Flat Crystal White/Flat Ebony Candy Steel Furnace Orange/Metallic Flat Spark Black, Metallic Spark Black/Metallic Flat Spark Black Lime Green/Ebony/Pearl Blizzard White Ebony/Metallic Flat Spark Black Ebony/Metallic Flat Spark Black

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

Safety Recalls

⚠ 3 open recalls
ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICALNov 2025 · 25V798000

Kawasaki Motors Corp., U.S.A. (Kawasaki) is recalling certain 2024-2026 Ninja ZX-6R, ZX-6R KRT Edition, ZX-6R KRT 40th Anniversary Edition ABS, ZX-6R ABS, and ZX-6R KRT Edition ABS motorcycles. The motorcycles may lose engine power during operation due to seizure of a metal crankshaft bushing.

Risk: An engine stall increases the risk of a crash.

Remedy: Owners are advised not to ride their motorcycles until the repair has been completed. Dealers will re-tighten the metal crankshaft bushing, free of charge. Owner notification letters were mailed December 15, 2025. Motorcycles in this recall that were previously repaired under recall 25V376 will need to have the new remedy performed, once available. Owners may contact Kawasaki customer service at (855) 878-4217.

ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICALJul 2025 · 25V376000

Kawasaki Motors Corp., U.S.A. (Kawasaki) is recalling certain 2024-2025 Ninja ZX-6R motorcycles. The motorcycles may lose engine power during operation due to seizure of a metal crankshaft bushing.

Risk: An engine stall increases the risk of a crash.

Remedy: Owners are advised not to ride their motorcycles until the repair has been completed. The #5 metal crankshaft bushing must be inspected on all eligible units already in operation. If there is no abnormality with or damage to the bushing, the bolts holding the crankshaft together in the crank case must be re-tightened with proper torque. If there is any abnormality with or damage to the bushing, the parts must be replaced and the crankshaft properly tightened, or the engine must be otherwise repaired or replaced. The manufacturer has not yet provided a schedule for recall notification. Owners may contact KMC customer service at 1-866-802-9381. This recall was replaced by 25V798.

ELECTRICAL SYSTEM:12V/24V/48V BATTERYFeb 2012 · 12V064000

KAWASAKI IS RECALLING CERTAIN MODEL YEAR 2008-2011 NINJA ZX-10R, AND 2009-2012 NINJA ZX-6R MOTORCYCLES MANUFACTURED FROM DECEMBER 14, 2007 THROUGH JULY 26, 2011. DUE TO A MANUFACTURING ERROR, THE REGULATOR/RECTIFIER MAY INSUFFICIENTLY CHARGE THE BATTERY.

Risk: IF THE BATTERY DISCHARGES, THE MOTORCYCLE MAY STALL WITHOUT WARNING, INCREASING THE RISK OF A CRASH.

Remedy: KAWASAKI WILL NOTIFY OWNERS, AND DEALERS WILL REPLACE THE VOLTAGE REGULATOR, FREE OF CHARGE. THE SAFETY RECALL BEGAN ON FEBRUARY 24, 2012. OWNERS MAY CONTACT KAWASAKI AT 949-770-0400.

Source: NHTSA. View all Kawasaki recalls →

Rider Reviews

3.7
★★★★☆
Rider rating

Common questions

What is the engine size of the Kawasaki Ninja ZX-6R?

The 2011 Kawasaki Ninja ZX-6R has a Capacity of 599.0 ccm (36.55 cubic inches).

What engine power does the Kawasaki Ninja ZX-6R have?

The 2011 Kawasaki Ninja ZX-6R has a Power of 107.8 HP (79.3 kW).

How many gears does the Kawasaki Ninja ZX-6R have?

The 2011 Kawasaki Ninja ZX-6R has a Gearbox of 6-speed.

How much does the Kawasaki Ninja ZX-6R weigh?

The 2011 Kawasaki Ninja ZX-6R has a Wet weight of 191.1 kg (421.3 pounds).

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