For those looking for a copy, found the complete non-scanned (printers format) manual online: http://www.vintagesleds.com/library/manuals/misc/Two-stroke Tuner's Handbook.pdf
For Graham Bell's Performance Tuning book: http://3cyl.com/mraxl/manuals/bell/performance-tuning-graham-bell.pdf
also thanks, i had both of those as hard copies but they got stolen with all my other stuff. read that bell one cover to cover a few times