Sportbikes
2003Kawasaki ZX 6 R
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The 2003 Kawasaki ZX-6R is a middleweight sport bike designed for riders seeking aggressive performance in a manageable package. Its 636cc inline-four engine delivers 117 horsepower with a responsive power-to-weight ratio ideal for track days and spirited road riding. Known for sharp handling and race-derived engineering, it remains a favorite among intermediate to advanced sport bike enthusiasts.
- Capacity
- 636.0 ccm
- Engine
- In-line four, four-stroke
- Gearbox
- 6-speed
- Dry weight
- 161.0 kg
- Seat height
- 825 mm
- Power
- 117.0 HP (86.1 kW)
What’s new for the 2003 Kawasaki ZX 6 R
vs the 1995| Spec | 1995 | 2003 |
|---|---|---|
| Engine capacity | 599.0 ccm (36.55 cubic inches) | 636.0 ccm (38.81 cubic inches) |
| Power | 105.0 HP (77.2 kW) | 117.0 HP (86.1 kW) |
| Torque | 63.7 Nm (6.5 kgf-m or 47.0 ft.lbs) @ 10000 RPM | 67.1 Nm (6.8 kgf-m or 49.5 ft.lbs) @ 11000 RPM |
| Dry weight | 182.0 kg (401.2 pounds) | 161.0 kg (354.9 pounds) |
| Wet weight | 203.0 kg (447.5 pounds) | 192.1 kg (423.5 pounds) |
| Seat height | 810 mm (31.9 inches) | 825 mm (32.5 inches) |
| Front suspension | 41mm Inverted Cartridge Fork with Adjustable Preload, Stepless Rebound and Compression Damping,TiSiCN Coating | 41mm inverted cartridge fork with rebound and compression damping, plus spring preload adjustability and top-out springs |
| Rear suspension | Uni-Trak with Adjustable Preload, Stepless Rebound, High and Low Speed Compression Damping, and Ride Height | Bottom-link UNI-TRAK® with gas-charged shock, stepless compression and rebound damping, spring preload adjustability and top-out spring |
| Compression | 11.8:1 | 12.6:1 |
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built primarily for spirited road riding, canyon carving, and track days rather than practical daily use.
- Built for
- A razor-sharp, high-strung inline-four supersport that rewards precise inputs with thrilling acceleration and razor-edged handling.
- Not ideal for
- Not a good fit for riders seeking a relaxed commuting bike, long-distance touring comfort, or any kind of off-road capability.
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 usEngine
- Capacity
- 636.0 ccm
- Power
- 117.0 HP (86.1 kW)
- Torque
- 67.1 Nm (6.8 kgf-m) @ 11000 RPM
- Engine type
- In-line four, four-stroke
- Power/weight ratio
- 0.7267 HP/kg (dry)
- Bore x stroke
- 68.0 x 43.8 mm
- Compression
- 12.6:1
- Cooling system
- Liquid
- Fuel system
- Injection
- Starting
- Electric
- Ignition
- Digital
- Valves per cylinder
- 4
- Lubrication system
- Forced lubrication, wet sump
Transmission
- Gearbox
- 6-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Wet multi-disc, manual
Performance
- 0-60 mph
- 2.90 seconds
Dimensions & weight
- Wheelbase
- 1400 mm
- Overall length
- 2030 mm
- Overall width
- 730 mm
- Overall height
- 1175 mm
- Seat height
- 825 mm
- Dry weight
- 161.0 kg
- Wet weight
- 192.1 kg
- Fuel capacity
- 18.00 litres
- Ground clearance
- 145 mm
Chassis & suspension
- Frame
- Twin spar aluminum
- Front suspension
- 41mm inverted cartridge fork with rebound and compression damping, plus spring preload adjustability and top-out springs
- Rear suspension
- Bottom-link UNI-TRAK® with gas-charged shock, stepless compression and rebound damping, spring preload adjustability and top-out spring
- Front wheel travel
- 120 mm
- Rear wheel travel
- 135 mm
- Rake (fork angle)
- 23.5°
- Trail
- 102 mm
Brakes & wheels
- Front brakes
- Dual disc
- Front brakes diameter
- 300 mm
- Rear brakes
- Single disc
- Rear brakes diameter
- 220 mm
- Front tyre
- 120/65-ZR17 M/C 57W
- Rear tyre
- 180/55-ZR17 M/C 57W
Other
- Color options
- Green, Black, Blue
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 | 1995 | 2003 |
|---|---|---|
| Capacity | 599 cc | 636 cc |
| Dry weight | 182 kg | 161 kg |
| Seat height | 810 mm | 825 mm |
| Fuel capacity | 18 L | 18 L |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the Kawasaki ZX 6 R?
The 2003 Kawasaki ZX 6 R has a Capacity of 636.0 ccm (38.81 cubic inches).
What engine power does the Kawasaki ZX 6 R have?
The 2003 Kawasaki ZX 6 R has a Power of 117.0 HP (86.1 kW).
How many gears does the Kawasaki ZX 6 R have?
The 2003 Kawasaki ZX 6 R has a Gearbox of 6-speed.
What is the torque of the Kawasaki ZX 6 R?
The 2003 Kawasaki ZX 6 R has a Torque of 67.1 Nm (6.8 kgf-m or 49.5 ft.lbs) @ 11000 RPM.
How much does the Kawasaki ZX 6 R weigh?
The 2003 Kawasaki ZX 6 R has a Dry weight of 161.0 kg (354.9 pounds).
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