Mercury - Trim/Tilt Motor Volvo Penta SX Series Marine-Ready 8M6007551. Overview. If you've spent enough hours on the water, you know how much you depend on your trim and tilt system without even thinking about it. It's one of those quiet, behind-the-scenes components that can make a day feel effortless-or bring everything to a halt. The Quicksilver 8M6007551 Trim/Tilt Motor is built for boaters who want that dependable, steady response every time they hit the switch. No hesitation, no strain, j