1987 Johnson/Evinrude CU Outboards 35A thru 55 Service Manual, Page 93Get this manual
Electric Primer
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 position, no fluid should enter inlet fitting With lever in prime position, fluid should come out both outlet fittings COAl136