Mercury - V12 Verado 200 Hour Maintenance Kit Scheduled Service Kit OEM Filtration Components 8M0179987. Overview. When you're running a V12 Verado, maintenance isn't just a checklist item - it's part of owning one of the most capable outboards ever built. This Mercury 200 hour maintenance kit is designed for owners who want their engine to feel as strong and composed as it did on day one. Everything in the box is there for a reason, and it all works together to keep that big V12 running smooth,