Mercury - Analog Trim Sender (Starboard Mount) 40-115 HP Outboards 8M0098264. Overview. A reliable trim sender makes a big difference when you're running shallow, easing into a dock, or trimming the boat for a smoother ride. The Mercury 8M0098264 Analog Trim Sender brings that steady feedback back to the helm. Mounted on the starboard side, it gives older analog gauge systems the clear, predictable trim reading they depend on. Once it's in place, the gauge starts behaving the way it should-no ju