1998 Johnson Evinrude EC 50 thru 70 HP 3-Cylinder Service Manual, Page 281Get 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
rn 4Loosen thebesending unit screws until only snug, so the pivotedsending unit can
5Lower the engine all the way down against the angle adjusting rod