For the benefit of any other UK members, a Suzuki service manual has just gone up on e-bay.co.uk for a tenner...................It contains a lot of info that Haynes/Clymer doesnt and its a very useful thing to have. I wont be bidding, I have already got a copy.
http://cgi.ebay.co.uk/Genuine-Suzuki-GS500E-service-manual-1990-96-models_W0QQitemZ320267000392QQcmdZViewItem?hash=item320267000392&_trkparms=72%3A12%7C39%3A1%7C65%3A12&_trksid=p3286.c0.m14