1990 Johnson Evinrude 120 thru 140, 185 thru 225, 300 HP, P/N 507875, Page 115Get this manual

1990 Johnson Evinrude 120 thru 140, 185 thru 225, 300 HP, P/N 507875, Page 115

Flywheel Servicing 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 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 conditionSee Running Test, Alternator Output, Section 7Flywheel Removal

i spark leads before beginning service

To avoid accidental starting of engine, twist and remove all

1.jl 1Remove flywheel nut using Snap-On A-144 fixture or equivalent and F16 insocket