Yamaha HPDI 250hp outboard rectifier regulator (60V-81960-01-00) Posted on July 11, 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 rectifier regulator (60V-81960-01-00) off of a 2005 Yamaha 250 hp 4 stroke outboard motor.