1993 Johnson Evinrude "ET" 40 thru 55 Service Manual, P/N 508283, Page 73Get this manual
Electric Primer
f41 1To test the solenoid windings, calibrate an ohmmeter on low ohms scale and connect between the purplewhite and black leads Meter should indicate 5.5 1.5 ohms2To test solenoid valve and seat: Lightly pressurize inlet fitting with alcohol and syringe With lever in run positionno fluid should enter inlet fitting With lever in prime positionfluid should come out both outlet fittingsrJl 3To inspect or replace internal components, remove the four solenoid cover screws