Newbie

Hello all. I’m new to the thread as well as a new boat owner. As my boat repair guy continues with every excuse as to why my custom dream boat I’ve waited -9 years to get isn’t complete 4 months since he said it would be I’m starting to get into the engine that came with it. I’m unable to get any intel on what motor model this engine is. I have attached a photo of the block serial for assistance. My local boat shops were not able to help.And as a newbie on my phone I can’t figure out the picture add so the block serial is R8288906. Appreciate any help.