Honda BF20A-BF25A, BF25D-BF30D Outboard Motors Shop Manual., Page 246Get this manual
cCHARGING SYSTEM Charged lnsufficiently
Abnormal Normal
Replace the battery
Check the battery terminals for connection and corrosionNormal
Abnormal
Connect the battery termhals securely andlor remove corrosionBlown fuse Normal Replace the fuse-
Abnormal