Yamaha 704 Premium Single Engine Control Box with Neutral Lock Switch (704-48205-T0-00). Experience smooth, confident control every time you pilot your boat with the Yamaha 704 Premium Single Engine Control Box. Designed for mechanically controlled Yamaha outboards, this control box delivers classic styling paired with Yamaha's proven standards for reliability, safety, and ease of use.. Featuring a top-mount binnacle design with a sleek, rounded profile, the 704 provides effortless one-hand oper