Honda BF50 (5HP), BF5A Outboard Motors Shop Manual 2014, Page 98Get this manual
IVDISASSEMBLY AND SERVICE
1ELECTRICAL EQUIPMENT
INSPECTION
REGULATORRECTIFIER (Optional part)
Measure the resistance between each terminalReplace the regulatorrectif ier if the measurement is out of the specification listed in the tab le belowUse the tester belowSANWA: SP-l0D KOWATH-5H