1998 Johnson Evinrude "EC" 9.9 thru 30 HP 2-Cylinder Outboards Service Manual, Page 106Get this manual
Flywheel Servicing INotel In order to produce the voltage necessary to run an ignition system, the flywheel magnets must be of particular strengthWeak flywheel magnets can cause low ignition voltage, which could affect motor performanceWeak flywheel magnets can also cause low readings on ignition test equipment, such as the peak-reading voltmeter, which may cause unnecessary replacement of ignition componentsFlywheels rarely go bad and would only be replaced as last resort in solving an ignition problemRemoval 1To avoid accidental starting of engine while servicing, twist and remove all spark plug leads&
2Remove the flywheel nutUse flywheel holding tool as drawn on Page 3-6 and three PIN 307641 screws from CWIC Universal Puller Set, PIN 378103, or CWIC Flywheel Holder, PIN 771311