Mercury - Warning Decal V6, V8 & V10 Outboard Series Marine Vinyl 8M0142569. Overview. Out on the water, you learn fast that safety is never something to treat casually. A dependable warning label might seem small, but when it is printed clearly, placed where it should be, and built to last, it becomes part of that quiet confidence you feel every time you fire up the engine. The Mercury Marine part number 8M0142569 is one of those no-nonsense pieces that helps keep your setup shipshape. It is an