1988 Johnson Evinrude "CC" 9.9 thru 30 Service Manual, P/N 507660, Page 123Get 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, service information common to most models has been covered in the first pages of this section It includes: brief review of the principles of operation for OMC's magneto powered C.Dignition systems, page 3-12 listing of available troubleshooting test equipment and necessary shop aids, page15 brief review of spark plug information, page 3-7 Servicing flywheels, flywheel and crankshaft tapers, page 3-8 Flywheel Nut Torque Chart, page 3-9 review of all testing procedures for ignition coils, page 3-10 An Ignition Coil Specification chart for ignition coils, page 3-102If 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 Cranking Output Tests Using C.DVoltmeter, page 3-233If you are working on an engine where the ignition problem creates an intermittent high speed miss or inconsistent running qualities above cranking RPM, refer to two areas in this section: Indexing Flywheel, Erratic Ignition to check for misfiring or double-firing power pack, page 3-22 Running Output Tests Using C.DVoltmeter and Adapter, page 3-32