Mercury 4 HP 4MLH Outboard Motor Perfect choice for small fishing boats, small to medium sized inflatables and sailboats. The 58 lb. Mercury 4 HP outboard engine model # 4MLH is compact, lightweight, and comes equipped with the 20 inch long shaft, manual start, tiller steering, and full forward-neutral-reverse gears and the twist grip throttle. Mercury 4hp models feature an integrated fuel tank for true portability. External tank connection is standard which makes adding an external fuel tank and line quick and easy. Along with our discounted outboard motor prices we offer free shipping and the Mercury 3-year warranty!