1991 Johnson/Evinrude EI Outboards 2.3 thru 8 Service Manual, Page 106Get this manual
Principles of OperationCD2UL Ignition System Flywheel
f1l The flywheel contains permanent magnets which energize
the charge coil, ignition module, and alternator statorOnce the flywheel exceeds minimum cranking RPM, the flywheel's magnetic lines of force pass through the ignition plate components to produce voltage in those circuits