Kawasaki ZX-9R Ninja - 2003 Specifications and Reviews

The 2003 Kawasaki ZX-9R Ninja is a mid-sized sport bike best suited for intermediate to experienced riders seeking strong acceleration and reliable performance. Known for its muscular inline-four engine delivering 150 horsepower, it offers an excellent balance of power and manageable weight, making it ideal for both track days and spirited road riding.

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General information

CategorySport
Year2003
ModelKawasaki ZX-9R Ninja

Engine and Transmission Specifications

Torque101.00
Power150.00
Stroke4
Engine typeIn-line four
Capacity:899.00 ccm (54.86 cubic inches)
 
 

Physical measures and capacities

Wheelbase1,417 mm (55.8 inches)
Seat height827 mm (32.6 inches) If adjustable, lowest setting.
Dry weight186.0 kg (410.1 pounds)

Kawasaki ZX-9R Ninja dimensions and frame

Power/weight ratio0.8065 HP/kg
 
 

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Color optionsBlue, Silver, Green
Fuel capacity18.00 litres (4.76 gallons)

Performance Profile & Rider Fit

150 hp
Peak Power
3s
0-60 mph

Best For

Track85%
City45%
Cornering85%
Daily Riding42%
Touring35%
Passenger35%

Rider Profile

Best ForThis is a big-bore open-class sportbike best suited to experienced riders who are comfortable with strong power delivery and a committed riding position.
PurposeBuilt primarily for fast road riding and track days, blending litre-bike power with a slightly more manageable 900cc package.
Rider FitThe high seat height and forward-leaning stance demand a reasonably fit rider and put notable weight on the wrists during slower riding.
CharacterA raw, aggressive superbike with a strong mid-range punch and a chassis that rewards confident, assertive inputs.
Not Ideal ForThis is not the right choice for new riders, commuters seeking comfort, or anyone planning long-distance touring or off-road use.

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

Rider Fit Visualizer

2003 Kawasaki ZX-9R Ninja Rider Ergonomics Assessment

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Feet:

At 827mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with balls of both feet on the 2003 Kawasaki ZX-9R Ninja, 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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⚠ Safety Recalls (1)

ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR Dec 2002 · 02V324000

ON CERTAIN 2000 ZX1200-A1/A1-L, 2001 ZX1200-A2/A2-L, AND 2002-2003 ZX1200-B1/B1-L MOTORCYCLES, OIL LEAKING FROM THE ALTERNATOR LEAD ELECTRICAL CONNECTOR CAN BE DEPOSITED ONTO THE REAR TIRE.

Risk: THIS CAN CREATE THE POTENTIAL FOR A LOSS OF TRACTION FOR BRAKING OR CORNERING, AND CAN LEAD TO A CRASH.

Remedy: DEALERS WILL SEAL THE ALTERNATOR LEAD WIRES. OWNER NOTIFICATION BEGAN BEGIN DECEMBER 16, 2002. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT KAWASAKI AT 1-949-770-0400.

Source: NHTSA. View all Kawasaki recalls →

Rider Reviews

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