1998 Johnson Evinrude "EC" 90, 100C, 105C, 115, 150, 150C, 175 60 deg. LV Service Manual, P/N 520210, Page 83Get this manual
Inspection
1To test the solenoid windings, calibrate an ohmmeter on low ohms scale and connect between the purplewhite and black leads Meter should indicate 4-7 ohms
[] 2To test solenoid valve and seat: Lightly pressurize inlet fitting with alcohol and syringe
W With lever in run positionno fluid should enter inlet
fitting
W With lever in prime positionfluid should come out of
both outlet fittings[] 3To inspect or replace internal components, remove the four solenoid cover screws