Mercury Mariner V-250 V-275 Outboard Service Shop Manual 1990, Page 301Get this manual
Brush Replacement 1Brush replacement is recommended if brushes are pittedchipped, or if distance between the brush pigtail and end of brush holder slot is 1 16" or lessCheck the distance with the armature installedas shown
3Remove the metal con nectors from the ends of the brush pigtails by separating the slit in the connectors using side cutter, as shownRetain con-
nectors4Remove old brush card from field and frame assembly