Mercury - Maintenance Schedule Decal Carbureted Outboards Adhesive Vinyl 8M0180064. Overview. Anyone who's spent time on the water with a small portable outboard knows that the simplest tools often end up being the ones you rely on most. A clear, readable maintenance schedule right on the engine is one of those little conveniences that keeps everything running smoothly. Mercury Marine part 8M0180064 brings back that peace of mind-no digging through old manuals, no wondering when you last service