Here's one if you haven't found one yet:http://cgi.ebay.com/ebaymotors/YAMAHA-YFM-RAPTOR-660-SUBFRAME-SUB-FRAME-01-02-03-04-05_W0QQcmdZViewItemQQ_trkparmsZ72Q3a1205Q7c66Q3a2Q7c65Q3a12Q7c39Q3a1Q7c240Q3a1318QQ_trksidZp3286Q2ec0Q2em14QQhashZitem200274592657QQitemZ200274592657QQptZMotorsQ5fATVQ5fPartsQ5fAccessories
Several on Ebay for $45-100.
~Brian