The Tohatsu 4hp outboard motor is a great choice for small fishing boats, small to medium sized inflatables and sailboats. Tohatsu Model: MFS4CD comes equipped with a 15 inch shaft. A twist grip throttle, forward-neutral-reverse gears, and digital CDI ignition are just a few of the features found on the 4hp. The 4hp Tohatsu outboard engine features an integrated fuel tank for grab-and-go portability. External tank ready connections are built-in which make adding an external fuel tank and line quick and easy..