I finally got around to putting a stock Suzuki oil pan in the mill and probing the hole locations. This is from a 2007 GSXR 1000, but I understand that this bolt pattern goes back several years.
Anyway, there may not be many people that need this drawing, but it might benefit someone.... I have .dxf or solidworks files available as well, I just can't attach those to the post. Email me if you want one of those formats.
Bring any errors or omissions to my attention.
Brandon Dixon
dixon@cs.ua.edu