Kawasaki EX500, GPZ500S and Ninja 500R 1987-2002 9780892878420 | eBay
Kawasaki EX500 (GPZ500S) '87 to '08 ER500 (ER-5) '97 to '07 (Haynes Service & Repair Manual) by Editors Of Haynes Manuals: Good (2016) | GF Books, Inc.
Kawasaki GPz 500S / EX 500R Ninja (1994-95) technical specifications
Bought a '90 EX500 for $900 that hadn't run in 4 years. Spent a week fixing it and made a video | Ex-500.com - The home of the Kawasaki EX500 / Ninja 500R