Seized CRAFTSMAN Generator. Engine teardown to diagnose the issue, and testing the powerhead.

I picked up this seized CRAFTSMAN Generator that was apparently running fine last Christmas, and suddenly out of the blue, just quit. Let's tear it down to see if we can figure out what happened to it, and at the same time, dive in to discover how we test the stator and rotor of the powerhead. Generator: CRAFTSMAN5600 Watt AC Generator Model No. 580.325601 10 HP at 3600 rpm 305CC Engine: Briggs and Stratton: 204412 Starting Wattage 8600 Watts (8.6 kW) Running Wattage 5600 Watts (5.6 kW) Link explaining Theory of Electricity, How Generators Work, and Troubleshooting: NAME: Briggs and Stratton: Familiarization and Troubleshooting Guide GENERATOR https://onan.xmsi.net/00-Other%20Gensets/86262GS%20BriggsPortable%20Generators%201.pdf CRAFTSMAN Generator, Generator, Briggs and Stratton engine, Carbon Fouled Spark Plug, Small Engine, Seized Engine, Seized Bearing, Crankshaft Bearing, Oil Change, Harmonic Puller