1992 Johnson Evinrude "EN" 40 thru 55 Service Manual, P/N 508143, Page 114Get this manual
Principles of OperationUFI Flywheel
L!J the charge coil, ignition
r:;"] The flywheel contains permanent magnets which energize 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
The flywheel must be in good condition and correctly located to ensure proper ignition timing and sufficient charge coil outputCharge Coil
121 The charge coil consists of many windings of wire wrapped