CALL NOW FOR DAILY PRICING SPECIALS! State of the art design of the 15 HP Mercury EFI outboard motor powerhead creates the low-end torque needed for power and fast planing making it an excellent source of power for medium to larger sized jon boats, skiffs, and inflatable boats. This ultra-lightweight motor is the first ever portable outboard with an ambidextrous tiller. Mercury Outboard Model: 15MH is a 103-lb.15 HP outboard motor, manual start with a 15 inch short shaft. Mercury outboard engines surpass industry standards and deliver power and fuel economy. We are an authorized Mercury Dealer and we offer the Mercury 3-year warranty as well as discounted prices and free shipping.