Does anyone have the wiring schematics for a 1982 Yamaha sr185 motorcycle?

If you're still looking, you might try joining the Yahoo sr185 forum. They have a number of service manuals available, and may just have what you're looking for.

Yahoo.com/group/sr185/?v=1&t=search&ch=web&pub=groups&sec=group&slk=1">http://autos.groups.Yahoo.com/group/sr185/?v=1&t=search&ch=web&pub=groups&sec=group&slk=1

Good luck!