The 3.5hp Mercury boat motors feature a larger carburetor for increased performance features that set it apart from other outboards in the same class. The Mercury 3.5 outboard engine is a great choice of power for canoes, small tenders and inflatables boats.. At just 41 lbs, Mercury designed the 3.5 HP (3 5 HP) outboard for real portability. The ergonomic carry handle evenly balances the engine for easy transporting. The Mercury 3.5 HP outboard model # 3.5MH is equipped with the 15 inch short shaft, tiller steering and manual start. We are an authorized Mercury Dealer and along with our discounted outboard motor prices we offer free shipping and 3-year warranty!