2004 SR Johnson 2-stroke 40, 50HP Service Manual, Page 116Get this manual
IGNITION TROUBLESHOOTING
TROUBLESHOOTING
Flowchart
Total Ignition Output Test
Good Spark Engine Will Not Shut Off
Good Spark Motor Does Not Run
Good Spark High Speed Misfire
No Spark On One Cylinder
No Spark On Any Cylinder
Go To Go To
Stop Circuit Tests
Flywheel IndexingIf indexing is correct:
Flywheel IndexingIf indexing is
correct:
Sensor Coil TestsIf coil tests good: