Mercury - Quicksilver Aluminum Anode Kit Yamaha 60-90 HP Series Cast Aluminum Finish 8M6007997. Overview. There is a deep sense of comfort that comes from knowing your outboard is protected long before the engine ever hits the water. Every boater knows that feeling trusting your gear even when you cannot see what is happening beneath the surface. Whether you are cruising into open water or drifting back toward the marina at the end of the day, you want protection that works quietly and consisten