Check out this thread I posted about putting a motor on a 99K.
http://www.quiltingboard.com/vintage...r-t183512.html
They are a piece of cake to do. Depending on what kind of motors you have they might not need any wiring work, but they might too.
All depends.
I wouldn't spend $200.00 for a new motor, that's just way too much in my not so humble opinion.
Joe