A used Ninja 250R can cost between $3,000 and $4,000, which is a decent price for a good bike. However, the problem that comes into play is its age, and the fact it doesn't come with a warranty ...

With the 250R retired and no new Ninja 300cc model making its appearance, the Ninja 400 is now the smallest gas engine sport bike that Kawasaki makes. It's powered by a 399cc, 4-stroke, parallel ...

The Kawasaki Ninja 250R is no longer in production, and if you're looking for something from Kawasaki that's new, sporty, and has a similar displacement, you're effectively out of luck.