1998 Johnson Evinrude "EC" 90, 115 SPL Service Manual, P/N 520209, Page 98Get this manual
Flywheel Servicing 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 componentsAn accurate test of alternator output can help determine the flywheel's conditionRefer to Running Test, Alternator Output, Section 7Removal
INote In
1To avoid accidental starting of engine while servicing, twist and remove all spark plug leads2Remove flywheel nut using OMC Flywheel Holder, PI 771311, to hold the flywheel3Apply OMC Moly Lube to threads of pressing screw and center hole of crankshaft4Assemble the following components from OMC Universal Puller Set, PI 378103: