1990 Johnson Evinrude "ES" 40 thru 55 Service Repair Manual, P/N 507872, Page 253Get this manual

1990 Johnson Evinrude "ES" 40 thru 55 Service Repair Manual, P/N 507872, Page 253

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Cleaning and Inspection 1 Inspect the brushes; replace if one-half worn, damaged, or crackedReplace brush springs, if weak2 Clean commutator with 300 grade emery clothIf commutator surface is unevenly