Suzuki DF30ATHLW4 Portable Outboard Motor. 20" Shaft Tiller Handle Manual Start Power Trim & Tilt 30 HP White. The Lightest Four-stroke Outboard Motor In Its Class. The Suzuki DF30ATHLW4 Portable Outboard Motor is a 30 horsepower portable-class four-stroke that blends strong low-end push with the convenience of a tiller layout and the added control of power trim and tilt. With a 20" shaft, this model is built for boats with a taller transom that still benefit from direct tiller steering, includi