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I know you measured the resistance of your stator, but did you measure the no load voltage output of its three phases? With the R/R disconnected, you should see around 60VAC nominal on all three phases at 3-4K RPM (check your shop manual for specifics). If the reading is low, you either have a stator problem that goes beyond a simple resistance measurement or the magnets in the rotor are weak. There really isn't an accurate way to test the rotor without specialized equipment but if you take off the engine cover to expose it, it should attract a screwdriver with a fairly significant force. Also look for chipped or cracked magnets.