If you have to accomplish repairs for your Kawasaki ZXR 250c then it is always a good idea to own a Workshop Manual to keep just for a guide if you want to know the best ways to remove a specific component for example the Wheel Bearing and fit it again in the correct manner.
Kawasaki ZXR 250c Workshop Manuals will give you exact diagnostic wisdom for the vehicle so if something is wrong it can help you ascertain what the situation is and tips to fix it. Then you are able to assess if you can do this yourself or that the job is simply too big you could make a reservation for your ZXR 250c in with a nearby car garage.
Kawasaki ZXR 250c manual