try here...1993 Katana 750
http://smokeriders.com/Technical/wiring_diagrams/wiring_diagrams.html
Or here.. some Suzy manuals..Suzuki RG500EWC... 1985 500cc Race Bike's Parts Book
Suzuki RG500... Shop Manual.
"http://members.nbci.com/tr500/T500parts/index2.htm"-- Suzuki T-500... Parts Book
"http://members.nbci.com/tr500/gt500parts/gt500parts.htm"-- Suzuki GT-500... Parts Book
T-500... Service Manual
Suzuki VX800... Shop manual in PDF.
Suzuki VX800... Parts book in PDF.
Suzuki VX800... Owners manual in PDF.
GSXR-750cc-1100cc... Service Manuals. Go there, look to the left and click on Seven-Eleven, look at the center of page and scroll down to "FastCat's Technical Suzuki Library" and click on it.
GSXR1000... Shop manual in PDF.
http://www.dansmc.com/shopmanual2.htm