I'm can't seem to figure out what is wrong with my lawn mower. It is a Toro Recycler 20041 with a Briggs and Stratton 125K05-0186-E1. A few weeks ago I was cutting tall grass and it just died. Now since, when I try to start it will just barely runs. If I spray starting fluid in while it attempts to die it will still just keep running and slow RPM. I have did basic cleaning of carburetor doing the the bowl, main jet and needle & seat. Installed new plug and replaced air breather as I heard that this can potentially do this. I have about 62psi compression and to me that seems low but found other articles saying that this is OK. I have good spark and even when it is stalling it still shows good spark on my tester that I use. I use non-oxygen gas which does not contain any ethanol and have done so for years. Only thing I can think is that 60psi is not enough compression and I need to look at changing out the rings. Has anyone seen something similar to this or have any suggestions? I appreciate any input.