Call these people they will take care of you. A lot of shops out there don't know what they are doing when it comes to old honda outboards out of the 10 or so I called only this one had a good understaning of what I needed. Key Dealer
By the way your motor is a 1983 and the correct model # is a bf100d. This I got from that company. They are great. I got them to look up your serial #.
