You can get a spec sheet from here
http://www.buykawasaki.com/Default.asp?
Click on Motorcycles & select your model
Haynes don't do a manual either, so alternative below or buy a Kawasaki workshop manual from the site above
If you have a look at this link there are details of a site where you can download a manual - I have not used it myself so if in doubt ask in the thread for help
http://ccgi.wwwtechs.force9.co.uk/ph...pic.php?t=4841
There is a GPX250 listed which may suit