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Kawasaki ZX-6R

Every sportbike rider wants a clear “advantage” — a technological edge the competition can’t touch. Well, the all-new Ninja® ZX-6R has it. More displacement equals more muscle, so we gave the ZX-6R’s compact new DOHC In-Line Four a displacement bump to 636cc. Next, we added wild 12.8:1 lightweight pistons, electronic fuel injection, a stratospheric redline for peak power, and a close-ratio gearbox to maximize performance. And the ZX-6R reflects Kawasaki’s passion for turning low mass into precise handling. We started with a new pressed-aluminum perimeter frame and extruded aluminum swingarm, then added a class-leading inverted 41mm front fork and Bottom-Link UNI-TRAK® rear suspension with piggy-back shock. Super-wide 17-inch rims, Z-rated radial rubber, and Moto-GP inspired bodywork complete this rather tantalizing picture. So let ’em cry foul. You and your advantage will be long gone by then.

"All-out sportbike performance and aggressive styling" is the best way to sum up the all-new 2003 Kawasaki NINJA® ZX-6R sportbike. Based on the limited edition NINJA® ZX-6RR, the radical new ZX-6R boasts a redesigned engine and crankcase with 37 extra cubic centimeters of displacement, an electronic fuel injection system and an all-new chassis. These new features, plus a host of additional design changes, are sure to leave the competition hung out to dry.

Features:

• All-new engine displaces 636cc due to a 2mm larger bore. Composite chrome-plated cylinders with 5mm shorter skirts reduce weight. The result is more mid-range punch than the competition.

• New cooling passages, new front cylinder head frame mount and oil routing moved to inside the engine help improve efficiency and reduce weight.

• New camshaft profiles with smaller slotted sprockets, 10mm shorter valve stems and single intake valve springs help reduce engine height and weight, and improve power.

• Bottom-Link UNI-TRAK® rear suspension features remote piggy-back style reservoir, stepless compression and rebound damping adjustment, threaded rear ride height adjustment and a special top-out spring for more precise control under heavy braking.

• Lighter, more compact radiator with new ring-style cooling fan.

• All-new Ram Air intake system routes the incoming air through a central intake. Design of the front cowling directs air into the intake for improved efficiency.

• Transmission features closer ratios for third through sixth gears. Revised shift drum cam profile for improved shifting.

• Digital instrumentation in the cockpit includes a compact central instrument for the following functions: radial tachometer, speedometer, temperature, odometer, tripmeter, clock and stopwatch. Shift indicator lamp adjustable for engine rpm and brightness.

• All-new aluminum perimeter frame is lighter, more compact. Rake is 25 degrees. Moving the swingarm pivot forward helps shift weight bias onto the front wheel.

• New front 41mm inverted Kayaba cartridge fork features stepless adjustment for compression and rebound damping. New top-out springs offer improved fork action under hard acceleration.

• Bottom-Link UNI-TRAK® rear suspension features remote piggy-back style reservoir, stepless compression and rebound damping adjustment, threaded rear ride height adjustment and a special top-out spring for more precise control under heavy braking.

• New tail section with lightweight LED taillights and aerodynamic inner rear fender.
Rear disc brake measures 220mm and improved master cylinder ratios improve both feel and performance.

• First for a production bike, radially mounted 4-piston front disc brakes position the lighter yet larger calliper further away from the axle for improved braking efficiency.

• Individual brake pads for each piston distribute heat more evenly and offer more bite under hard braking.

• All-new Moto-GP styling and aerodynamic fairing are products of the research in building the new GP four-stroke race machine.