I ran across these in eBay.
http://www.ebay.com/itm/OMI-Products-Yamaha-ATV-Greaseable-Steering-Stem-Mount/221417792191?_trksid=p2047675.c100010.m2109&_trkparms=aid%3D333002%26algo%3DRIC.CAT%26ao%3D1%26asc%3D23823%26meid%3D7788463927568994503%26pid%3D100010%26prg%3D10177%26rk%3D4%26rkt%3D24%26sd%3D261512022868