Hi
I have asked this in another section but decided to have a go here.
I bought an SP motor (??) several months ago and plan to use it in my MC21 and keep the re-built motor from that almost unused.
My question is that I don't know how to tell the difference between an SP/SE motor and an R motor. I do not even know if the motor that I bought is 'actually' from and SP.

Help please.

Mike
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I don't mind dying...I just don't want to be there when it happens!