1997 Johnson Evinrude "EU" Accessories Service Manual, P/N 507270, Page 154Get this manual
Trim Sending Unit Adjustment 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 key switch to the ON position 2Raise the engine with the tilt switch to maximum trim-up position
33-Cylinder and V4Move the angle adjusting rod to the
center hole4Loosen the sending unit screws sending unit can be pivoted
until only snug, so the
53-Cylinder and V4Lower the engine all the way down against the angle adjusting rod
vaLower the engine to the midpoint of the trim range13611371 7Observe the trim gaugeIf the needle does not show