Honda Outboards BF40A/BF50A Service Manual, Page 246Get this manual
HONDA BF35A-45A
SHORT CIRCUIT TEST-CORE-TO-COMMUTATOR Check for continuity between the commutator and armature coil coreIf continuity exists, replace the armature
HONDA BF35A-45A
SHORT CIRCUIT TEST-CORE-TO-COMMUTATOR Check for continuity between the commutator and armature coil coreIf continuity exists, replace the armature