Mercury Quicksilver - Outboard Service Kit Maintenance Essentials OEM Components 8M0172122. Overview. When you run a small outboard as often as most of us do, you start to appreciate the simple comfort of knowing your engine is truly ready for the day. There's a certain peace in pulling the cord or turning the key and hearing that steady, familiar purr. The Quicksilver 8M0172122 Outboard Service Kit makes that moment possible. It gathers the essentials you need to keep a hardworking 15-20 horsep