Kawasaki Ninja ZX-12 R - 2005 Specifications and Reviews

The 2005 Kawasaki Ninja ZX-12R is a hypersport machine built for experienced riders seeking extreme performance and top-speed capability. Its 1,200cc liquid-cooled inline-four engine delivers brutal acceleration and sustained high-speed runs, backed by advanced fuel injection and a slick six-speed transmission. Best known for dominating the hypersport category with its raw power and aggressive styling.

2005
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Engine and Transmission Specifications

Transmission typefinal driveChain
Gearbox6-speed
Cooling systemLiquid
StarterElectric
IgnitionDigital
Fuel controlDOHC
Valves per cylinder4
Fuel systemInjection. Fuel injection with 46mm throttle bodies and sub throttles
Bore x stroke83.0 x 55.4 mm (3.3 x 2.2 inches)
Compression12.2:1
Stroke4
Engine typeIn-line four
Capacity:1.20 ccm (0.07 cubic inches)

Physical measures and capacities

Wheelbase1,450 mm (57.1 inches)
Ground clearance119 mm (4.7 inches)
Overall width739 mm (29.1 inches)
Overall height1,199 mm (47.2 inches)
Seat height820 mm (32.3 inches) If adjustable, lowest setting.
Dry weight210.0 kg (463.0 pounds)

Kawasaki Ninja ZX-12 R dimensions and frame

Rear brakes diameter230 mm (9.1 inches)
Rear brakesSingle disc. Hydraulic.
Front brakes diameter320 mm (12.6 inches)
Front brakesDouble disc. Hydralic.
Rear tyre dimensions200/50-17
Front tyre dimensions120/70-17
Rear suspensionUNI-TRAK® system with single shock, adjustable compression and rebound damping, adjustable ride height, and adjustable preload
Front suspension43mm inverted hydraulic telescopic fork with adjustable compression and rebound damping, adjustable spring preload
Rake (fork angle)23.5°
Frame typeAluminum monocoque
 
 

Speed and acceleration

Color optionsMetallic Spark Black
Fuel capacity18.92 litres (5.00 gallons)

CategorySport
Year2005
ModelKawasaki Ninja ZX-12 R
 
 

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay

Performance Profile & Rider Fit

2.8s
0-60 mph (est.)

Best For

Track85%
City45%
Cornering75%
Daily Riding50%
Touring45%
Passenger50%

Rider Profile

Best ForThis is a hyper-sport machine best suited to experienced riders who are comfortable with big, fast, heavy engines and strong acceleration.
PurposeBuilt primarily as a straight-line and open-road speed weapon, the ZX-12R prioritizes outright power and top-end performance over nimble city maneuvering.
Rider FitThe 210 kg dry weight and 820mm seat height combined with a sporty riding position demand a rider with decent strength and confidence handling a large, powerful bike at low speeds.
CharacterIt has the personality of a brute-force flagship sportbike, favoring muscular midrange and top-end thrust over razor-sharp agility.
Not Ideal ForThis is not a good fit for beginners, short commutes in heavy traffic, or riders seeking a light, flickable bike for tight, technical roads.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2005 Kawasaki Ninja ZX-12 R Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 820mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with balls of both feet on the 2005 Kawasaki Ninja ZX-12 R, with a cramped knee angle of around 70 degrees and a forward-leaning riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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