1972 Evinrude StarFlire 125 HP Outboards Service Manual, PN 4822, Page 88Get this manual
7-5 REFERENCE PICTURE
PLUNGER
WINDINGS
The proper water level should be maintained at all timesIf water is added in freezing weather, the battery should be charged to full charge at onceOnly pure distilled water or water approved for battery use should be added to the battery to replace water lost through evaporationNever add acid except when acid has been l()st by spillingInstall the battery near the motorFor' mounting the battery, use battery box securely fastened to the boatA loose battery may shift in the boat, damaging itself or other equipment' 'NOTE Correct battery polarity is extremely importantThe battery MUST be connected so its negative post (-) is connected to groundIf the positive post is connected to ground, the rectifier diodes will be damaged