how to tell if a motor is seized? with pictures

[TurboT]

Originally Posted by Weldangrind

Only a guess, but I presume that all of the bearings are rollers (not babbit), so the aluminum is more likely piston material or maybe case material, if the timing chain was rubbing on the case.
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Rod bearing a roller??

The mains I'd expect rollers but never seen that on a rod bearing before.. not that I'm not here to learn something new.