Yamaha HPDI 250hp 2 stroke outboard port cylinder head (60V-11121-00-1S) Posted on August 21, 2023 by admin Please verify that the item you need matches the picture or description before purchasing. We will be happy to assist you! Item for sale is a port cylinder head (60V-11121-00-1S). Off of a 2003 Yamaha HPDI 250 hp 2 stroke outboard.