1997+ Mercury 35/40HP 2 Cylinder Outboards Service Manual PN 90-826148R2, Page 91Get this manual

1997+ Mercury 35/40HP 2 Cylinder Outboards Service Manual PN 90-826148R2, Page 91

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4 Remove components from armature bClean the commutator slots after undercuttingcDe-burr the commutator lightly with No00 sandpaper, then clean the commutatordCheck the armature on growler for shortsS