1996 Johnson Evinrude "ED" 90 LV 125C, 130, 200, 225, 250 Service Manual, P/N 507128, Page 130Get this manual
Flywheel Servicing In order to produce the voltage necessary to run an ignition system, the flywheel magnets must be of particular strength Weak flywheel magnets can cause low ignition voltage, which would affect engine 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 7Flywheel Removal
i spark leads before beginning service
To avoid accidental starting of engine, twist and remove all
f1l 1Remove flywheel nut using Snap-On A-144 fixture, or equivalent, and P16 insocketf2l 2If equipped with power steering, release the tension on the power steering belt