Honda BF35A-BF45A Outboard Motors Shop Manual., Page 246Get this manual
HONDA BF35Ae45A
SHORT CIRCUIT TEST-CORE-TO-COMMUTATOR Check for continuity between the commutator and armature coil coreIf continuity exists, replace the armature
SHORT CIRCUIT TEST-SHAFT-TO-COMMUTATOR Check for continuity between the commutator and armature shaftIf there is continuity, replace the armature