Mercury - Read Manual Decal (Clear) Safety & Operation Label Marine Adhesive 8M0142577. Overview. Any boater who has spent real time on the water knows that the little things often make the biggest difference. You can have all the horsepower in the world, but clear, dependable reminders and safety markers help keep everything running smoothly, especially when multiple people use the boat. The Mercury Read Manual Decal 8M0142577 is one of those simple pieces that quietly supports every trip. It i