Not really. They work and work well for a good low cost starter bike. The EX500 was half a Ninja 900/1000 motor when it was new. Using that same plan imagine a new EX500 that was half of a Ninja 10x motorThe only topic I would have, is when are they going to update the 500R? It's a bit long in the tooth, isn't it?
Indeed. My green ex250 is faster than my neighbor's purple 500. Purple?? They might as well not have put wheels on it..... but Kawasaki green makes it go faster. My green ZRX1100 is a lot faster than the red or especially the blue ones. Any real Kawasaki owner should know this important fact.