1994 Johnson Evinrude "ER" 60 LV 150, 150C, 175 Service Manual, P/N 500611, Page 296Get this manual
Trim Sending Unit Adjustment 1Tilt the engine and engage the mooring bracket111 2Temporarily, install PIN 387278 thrust rod in the No3 f21 3Loosen the sending unit screws until only snug, so the sending unit can be pivoted4Disengage the mooring bracketLower the engine against the thrust rodf31 5Observe the trim gaugeIf the needle does not show center position tilt the engine up and adjust the sending unit by pivoting it up or down6Lower the engine against the thrust rod to verify adjustmentRepeat Step 5, if necessary7After adjustment is correct, tilt the motor up, tighten the two sending unit screws, and remove the thrust rod