If it does have the Phelon magneto and they
are not cracked they are probably good.
No longer being manufactured.
Here is a source that indicates they have them.
Also a link for adapting the OMC style coils.
Link – https://youtu.be/OxPHe8EPe1Q
.
A "Boathouse Repair" is one thats done without having tools or the skills to do it properly.