Mercury - Trim/Tilt Motor Precision Lift System Marine-Grade Build 8M6007554. Overview. There's a moment every boater knows well-easing out of the no-wake zone, trimming the drive just right, and feeling the hull rise cleanly onto plane. When your trim system responds the way it should, everything simply feels in sync. But when it doesn't, even the best day on the water can turn frustrating fast. That's why boaters who rely on their equipment turn to parts they can trust.. The Quicksilver 8M6007