Mercury FourStrokes have long led the pack with clean,quiet,fuel-efficient outboard power,and now the gap grows even wider.Whether you pilot a small fishing boat or a party on a big pontoon, there is a Mercury FourStroke that fits the bill. No matter the size,these FourStroke outboards are a pleasure to drive. Mercury engineers have created a unique design for easier shifting and refined the throttle resolution setting for smoother low_speed operation.