1996 Johnson/Evinrude Outboards 25, 35 3-Cylinder Service Manual, Page 245Get this manual
Description of Charging System The charging system consists of battery, flywheel, an alternator stator, and rectifierregulatorThe engine's battery can affect the charging system operationThe battery should be of heavy-duty marine construction, should be the correct capacity for the application, and should be in good condition with normal charge