I have a 38" 12.5 HP Murry mower that will not start. The starter will not even spin. I have checked the kills switches and the starter in fine. Any ideas where to look next?

Have you looked at the solenoid.
Check make sure the engine has a ground wire going to it.
Check the battery connections.

DG,
The solenoid was the problem. Once I replaced it the mower runs like a kid again!

Thanks.