The 6hp Tohatsu outboard motor, model MFS6CSPROUL is the largest single-cylinder model available and comes equipped with the 25 inch extra long shaft length.. If you’re in search of lightweight portable power, the 6hp Tohatsu outboard engine is an excellent choice for a variety of small craft as well auxiliary power for sailboats and trolling/kicker power for larger fishing boats. Whether you’re cruising the harbor, fishing inland waterways, or exploring the great outdoors the lightweight Tohatsu 6hp motor offers boaters reliable portable power at a price you can afford..