Those are a hard to find. Worthing Skier here in the UK has a number of them.
Indmar will also reflash for $45 dollars.
I found on on Ebay sent it to Indmar to test and reflash -100% working condition.
Also you have an MEFI-1 but you can also use an MEFI-2 with a little modification in the wire harness.
...A bad day water skiing still beats a good day at work...1995 Pro Star 205....