1997 Johnsoon Evinrude "EU" 50 thru 70 3-Cylinder Service Manual, P/N 507266, Page 119Get this manual
Troubleshooting Sequence Chart
Total Output Test, Step 1
Good Spark Engine Will Not Shut Off
Good Spark High Speed Misfire
Good Spark Motor Doesn't Run
No Spark On One or Two Cylinders
No Spark On Any Cylinder
Go To Step 2
Verify S.LOWPage 3-24
QuikStart