I put together a chart for people to use for find out OEM wheel size, tire size, offset and bolt pattern.
Covers mostly all models.
Any inaccuracy let me know.

http://www.mudinmyblood.net/fo...pg=atvboltpatternindex

also if you hit our mainpage (http://www.mudinmyblood.net ) the library can be found in the left column.
Contains all the reference documents we've put together thus far.