Mercury - Quicksilver Trim and Tilt Motor Outboard Control System Marine-Grade Composite Finish 8M6007533. Overview. If you've ever tried to dock or launch with a trim system that hesitates or sticks, you know how quickly a good day on the water can turn stressful. This Quicksilver trim and tilt motor brings back that smooth, confident control you expect when adjusting engine height. It's the kind of part you rely on without thinking, whether you're easing into shallow water or trimming out for