In the early 2000’s Kawasaki was in the unusual position of having to introduce an homologation special that was a tad slower and more expensive than the usual ZX6R. It was the only way to race a Kawi 600 and a few special parts made it worth the higher price. Very few have survived in road trim and this Wisconsin example looks great.
While the plain vanilla ZX6R got a bump to 636cc, the RR retreated to a class-legal 599cc, and made the same 118 hp but at 13,200 rpm. While fuel injection and a ram-air system are shared, the RR came with forged pistons, a slipper clutch, and close ratio gearset. Both bike had multi-adjustable inverted forks and Uni-track monoshock, but likely the factory dampers were soon rebuilt to race-spec on most RR’s. And though outwardly distinguishable only by the extra R, the special had an LCD race dash complete with lap timer.
With just over 19,000 miles, this Ninja is clean and appears substantially original. Ninja experts will have to point out egregious mods. Comments from the eBay auction:
HARD TO FIND! FMF EXHAUST, FRAME SLIDERS, WOODCRAFT ENGINE COVER, LED SIGNALS, FENDER ELIMINATOR!
Though World SuperSport rules required only 1,000 copies be made, Kawasaki kept the ZX6RR unchanged ( and kept selling to racers ) until 2007, when the road bike was updated with a new 599cc engine. Combined with the fact that so many went to the track and were never seen again, the total RR production is hard to verify. But it’s a very minor percentage of the large 600cc market, making the ZZ6RR a rarity and a knowledgeable fan’s favorite. It’s on a seemingly reasonable buy-it-now and the selling dealer has very good feedback.