1994 Johnson/Evinrude "ER" 60 thru 70 outboards Service Manual, Page 249Get this manual
Description of Charging SystemAll Models The outboard 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
rv The engine'sprovide thecontains the power the stator windingsflywheel permanently charged magnets which energy to
The magnets must be at their original design strength for full alternator outputr:;"] The alternator stator consists of many windings of wire
wrapped around metal laminationsThe stator is attached to he upper crankcase headThe flywheel's magnetic lines of force cutting through the stator windings produce alternating currentThe stator or its leads could be damaged which could result in reduced or no alternator output