Well I saw this and Im wondering stock bore is somewhere around 84mm and these say they have to have atleist 85.5 does that make any sence ?
http://www.xs-engineering.com/xsstore/pc/viewPrd.asp?idcategory=650&idproduct=8534
http://www.xs-engineering.com/xsstore/pc/viewPrd.asp?idcategory=650&idproduct=8534