Mercury - Maintenance Schedule Decal V8 FourStroke & Verado Series OEM Adhesive Label 8M0148536. Overview. When you run a powerful V8 outboard, there's a certain comfort in knowing you're staying ahead of the maintenance curve. It's the kind of confidence you feel when you ease away from the dock before sunrise or make that long run back through building chop. The Mercury Maintenance Schedule Decal 8M0148536 brings that peace of mind a little closer, giving you a clear, factory-accurate reminder