The Yuasa part number breaks down and contains lots of info on how teh battery is configured - post location and style etc. Here is a link if you want to figure out what their particular number means and then you can use this to get an equivalent from another manufacturer if so desired.
http://www.yuasabatteries.com/literature.phpBattery spec and application PDF is the specific document. There is some other info that may be interesting on this page as well......
Thanks, Mike, that's what I was looking for.