Hydro locked. You buggered it good. Go to e-bay and get a Wiseco top/bottom kit and fix it up. Kit should only be about 200 + or - for a 100. tools to do it are pretty cheap considering. You can do it yourself and save the money. I am doing my YZ20 myself (first time on a 2T moto).
Good luck
http://www.ebay.com/itm/Hot-Rods-Bo...Parts_Accessories&hash=item43c035b1f7&vxp=mtr
Good luck
http://www.ebay.com/itm/Hot-Rods-Bo...Parts_Accessories&hash=item43c035b1f7&vxp=mtr