1998 Johnson Evinrude "EC" 9.9 thru 30 HP 2-Cylinder Outboards Service Manual, Page 296Get this manual
o o[] 4Remove pinion and base
[[] INote Before disassembly, scribe
caps for reference during reassembly
marks on frame and end
[] 5Remove the two thru bolts and separate componentsCleaning and Inspection
1Inspect the brushes; replace if one-half worn, damaged, or crackedReplace brush springs, if weak2Clean commutator with 300 grade emery clothIf commutator surface is unevenly worn or pitted, turn on latheRemove any trace of oil or metal dust from commutator