Suzuki DF30A EFI L 30 HP. State-of-the-Art designs make the new DF30A the most technically advanced portable outboard on the market today. This is the world’s first 30 hp outboard motor designed with Lean Burn and Battery-Less Electronic Fuel Injection. The Suzuki EFI system operates Battery-Less, which is an industry first in this horse-power class. The DF30A is a smooth running “Next Generation” four stroke which delivers quick starts, great accelleration, awesome performance and superior fuel economy.