Try ATSG in Miami. I just looked around my things here at work to locate a phone number and address, but it must be at home. Search the Tech help forum for "ATSG" and it will turn up. I bought the manual for mine from them, for about $25 I think. Great manual.
1989 560SEL (172k)
1989 325IC (122K)
2004 Suzuki Volusia LE (3500 miles)
2005 Yamaha Road Star (20 K miles)