The new DF9.9B EFI’s ultramodern design makes it one of the most technologically advanced portable outboards on the market today. The world’s first 9.9 HP outboard motor with Lean Burn and Battery-Free Electronic Fuel Injection. The Suzuki EFI system is the first in its horsepower class to operate without a battery. The DF9.9B EFI is a smooth-running “Next Generation” four-stroke that provides quick starts, great acceleration, incredible performance, and superior fuel economy. The DF9.9B EFI is the first in its class to operate without the use of a battery, including fuel injection. Let go of the dead weight without sacrificing fuel economy, torque, or speed. Put your faith in the right motor rather than a dying battery.