Honda BF50 (5HP), BF5A Outboard Motors Shop Manual 2014, Page 38Get this manual
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BF50BF5A bINSPECTION IGNITION COIL
Check for continuity between the primary wire (BIA) and ground wire (81) when the switch is depressedSWITCH POSrTiON DEPRESSED RELEASED CONTINUITY NO CONTINUIT