1991 Johnson Evinrude EI 60 Loop V Models 150, 175 outboards Service Manual, Page 92Get this manual
About This Section The information in this section of the Service Manual has been organized into format that will allow the technician to make maximum use of his troubleshooting timeTo be most effective, the technician should read and understand these statements before proceeding1To save time, routine service information has been covered in the first pages of this sectionThey include: brief review of the principles of operation for OMC's C.Dignition systems, Page 3-16 list of available troubleshooting test equipment, Page 3-18 brief review of spark plug information, Page 3-6 Instructions for servicing the flywheel, Page 3-7 review of all testing procedures for ignition coils, Page 3-14 An Ignition Coil Specifications chart, Page 3-14 2If you are working on an engine where the ignition problem makes the engine very hard to start or impossible to start, begin your testing with Output Tests, Page 3-253If you are working on an engine where the ignition problem creates an intermittent high-speed misfire or inconsistent running qualities above cranking RPM, refer to Indexing Timing Wheel, Erratic Ignition, Page 3-22