If you are a good carpenter and a great surfboard builder you should have no problem ...

unless the transom is cracking or rotten or delaminating its probably the last thing you should attempt restoring ...
There is a lot more to it than most people think in terms of structural integrity and rigidity ...
I can't remember if that is a stringer bonded transom or the molded type ...
Got any pics of what you want to do to the project boat ? ...