Microfiche....a handy tool....

http://partsfinder.onlinemicrofiche.com/ronnies/hdm_oem/hdmc.asp

Thanks to the guys over at Ronnie's

http://www.knucklebusterinc.com/

Also found spec docs for my CB 400four over here.  Lots of usefull and cool info for wrenches, mad scientists, and the like.