1998 Johnson Evinrude "EC" 90, 115 SPL Service Manual, P/N 520209, Page 267Get this manual
Trim Sending Unit AdjustmentConventional It might be necessary to adjust the trim sending unit to coincide with the trim gauge at full trim-up positionTo do this, proceed as follows: 1Turn ignition key to the ON position2Raise the engine with the tilt switch to maximum trim-up position
3Move the angle adjusting rod to the center hole
4Loosen the sending unit screws sending unit can be pivoted
until only snug, so the
5Lower the engine all the way down against the angle adjusting rod