1974 Johnson 135 HP Outboard Motors Service manual, Page 33Get this manual
SECTION IGNITION SYSTEM
TABLE OF CONTENTS
DESCruPTION
THEORY OF OPERATION
4-2 4-2 4-3 4-5
PRELIMI NARY TROUBLESHOOTING THE .DIGNITION TROUBLESHOOTING THE MAGNETO .DIG NITION SYSTEM IG NITIO SPARK CHECK TRIGGER IN PUT CHE CK CHARGE COIL OUTPUT CHECK POWER PACK OUTPUT CHECK