We all know UK-based TTS Performance is a supercharger specialist. We’ve seen the shop whip up some mighty creations like the ...

the Kawasaki Ninja 400. Today, however, the Ninja 400 is nowhere to be found on Kawasaki's U.S. website. So, where did it go? As it turns out, the Ninja 500 — which was first announced in 2024 ...

Compare the ZX-4RR’s output to a base Ninja 400’s parallel-twin ... rpm redline on the tachometer—no wonder this latest Kawasaki made such a buzz. The ZX-4RR's simple gauge cluster provides ...