Trashed Low Compression Briggs Flat Head Engine - Can We Fix It?

Someone tossed this Little Wonder Leaf Blower in the trash. The 5hp Briggs flat head engine rotates, but has little or no compression. Lets find out what the problem it and get this machine back up and running again.

Engine Model: 135212-1216-E1 CODE: 930927YA
Head Gasket: 272157S https://amzn.to/40AcAel
Pump Diaphragm: Oregon 49-004 / Briggs & Stratton 270026 https://amzn.to/44qkGrc
Tank Gasket: 692241 https://amzn.to/44fHzyU

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