Just an update on this:

The first motor shop I brought it to was a delta service center. They refused to work on the motor because they said the wires didn't match the wiring diagram (I think because one wire was labeled to be blue but was black). Based on the customer service lady's attitude I think the shop just stunk. They're 1.5 star rating on Google seems to agree.
The second shop just told me it needs to be rewound. Bummer. $400 is cost prohibitive.
So the search for a used motor is on! Tough to find these saws so it will be tough. Wish me luck!