1998 Johnson Evinrude "EC" 25, 35 HP 3-Cylinder Outboards Service Manual, Page 108Get this manual
Total Output Test, Step 1
Good Spark, Motor Runs Good Spark, Motor Doesn't Run No Spark On One Cylinder No Spark On Two Cylinders
Good Spark, High Speed Misfire
No Spark On Any Cylinder
Go To Step Check Timing Test Ignition Coil, Page 3-10 Visually Check SensorEncoder Go To Step 2
Check Other Systems
Substitute Ignition Module