1990 Johnson Evinrude "ES" 9.9 thru 30 Service Manual, P/N 507871, Page 300Get this manual
Stator Resistance Check
INote Disconnect
battery cables before proceeding with this
[]] 1Disconnect all stator leads from terminal board []] 2Calibrate ohmmeter on the low ohms scaleConnect the ohmmeter black lead to the stator yellow blue lead[]] 3Connect the ohmmeter red lead Ohmmeter should read 0.27