Pump motor not starting - no buzz, nothing.

[DistantHorizon]

Since my last post, I backwashed, then went to rinse, and when I turned the pump on, nothing. *shakes head* Felt the motor, and sure enough, it was hot. After about 30 minutes, it ran again. That reinforces my idea that the pump is too big for the motor. But....

Took the numbers from my tag, found the information for my pump, and my pump is listed as a 1 1/2 hp uprated. So wouldn't it be likely that my pump is in actuality better suited for a 1hp full rated motor? (found pump here http://www.inyopools.com/parts_break...enger_pump.pdf and then searched for the tag number "34-3234", since there are multiple listings for "cfii-n1-1 1/2a")

I'm stumped. Again. For like the 15th time in my 2 months of pool ownership.

Thanks again for all your help. At least now I saw the pool guy take this thing apart, and I have confidence that I can work on the pump from now on.

Edit: If I -do- need to downsize my impeller, will I just need the impeller and a new shaft seal, or will I need other parts?