Honda BF75, BF100, BF8A Outboard Motors Shop Manual, Page 115Get this manual
CONSTRUCTION AND FUNCTION D.COutput CircuitBattery Charging
The entire circuit consists of charging coilconnectors, fuse, and silicone diode rectifierA.Coutput from the charing coil (14) under the flywheel is rectified by means of the rectifier (15) and is available at the D.Coutput receptacle (16) fuse (17) is inserted in the circuit between the rectifier and the receptacle to protect against damage to the circuits
ACAUTION
When the battery charging plug is not inserted in the D.Creceptaclethe exposed plug prongs can short circuit your battery if they contact any metal surface