2007 Evinrude E-Tec 75, 90 HP outboards Service Manual, Page 128Get this manual
ELECTRICAL AND IGNITION IGNITION SYSTEM TESTS Engine Temperature Sensor Test Use an ohmmeter to measure resistanceEngine Temperature Sensor Resistance 9000 to 11000 77F (25C)
Ignition Coil Tests
Primary Winding Resistance Test
Connect ohmmeter between coil primary terminal and clean engine groundIgnition Coil Primary Resistance 0.090 .005 77F (25C)
IMPORTANT: reading of less than ohms is
acceptableMake sure meter is calibrated to read ohm or less