Mercury - Quicksilver Engine Starter Permanent Magnet Direct Drive 12-Volt 8M6007389. Overview. There's a certain kind of morning on the water that stays with you-the quiet drift away from the dock, the first ripples behind the boat, and that reassuring sound of your engine firing instantly. When you run a small but hardworking outboard, you get used to noticing the little things, and a reliable starter makes all the difference. The Quicksilver 8M6007389 starter brings that sense of calm confide