Suzuki DF25AS state-of-the-art designs make the DF25AS among the most technologically advanced portable outboards anywhere. The DF25AS are the world’s first marine outboards in the 25hp classes equipped with a battery-less fuel injection system that offers quick, easy starts and cleaner, fuel efficient operation. Suzuki engineers took a bold approach in building all-new fuel injection system components that are smaller and lighter than those found in previous systems. By adding the proven Lean Burn Control technology to their design, these outboards deliver remarkable fuel economy and reduced emissions throughout their operating range.