1997 "EU" Johnson Evinrude 5 thru 15 Four Stroke Service Manual, P/N 507262, Page 95Get this manual
9.915 (305cc)
Ignition Coil
The ignition coil consists of two windings of wire around laminated steel coreThe coil has one primary and two secondary terminal connections and ground tab
Through mutual induction, the ignition coil transforms ignition module output to as much as 40,000 volts to fire the spark plug
Ignition Component Servicing9.915 (305cc)
Removal
Remove manual starter as described in Section 7, remove flywheel as described in Section 3, and remove lower engine covers as described in Section 4