Thought maybe this would be useful to anyone who doesn't already have a copy, maybe it could be put in the wiki.
Workshop manual (1989-1999)
http://www.manualz.info/Manuals_pdf/SUZUKI/GS500E_89-99.pdf (http://www.manualz.info/Manuals_pdf/SUZUKI/GS500E_89-99.pdf)
Haynes repair manual (1989-1997)
http://www.manualz.info/Manuals_pdf/SUZUKI/GS500E_89-97%20Haynes%20Service%20Manual%20ENG.pdf (http://www.manualz.info/Manuals_pdf/SUZUKI/GS500E_89-97%20Haynes%20Service%20Manual%20ENG.pdf)
Andrew