It seems like either your reading is wrong or your saw is damaged somewhere. Maybe bad rod or case bearings?
125psi stock is common in the clamshells I've messed with. I find the base seal cracks easily on clamshells. I had to re-do the base seal 4 times on a 192t because I increased compression.
125psi shouldn't be hard to pull over. I increased compression in my 201t and couldn't tell a difference pulling it over until the squish band was so tight I was afraid to run it (186psi).
That saw also ran like garbage with so much compression. I backed off on that saw and went back to 155 with a squish of 0.026". It revs higher now, but doesn't give the torque I'm after.
Guys have posted about compression impeding RPM, but mostly in bigger saws. I've seen several ported 346's with compression above 200 that really hold speed in the cut, and people have mentioned smaller saws bearing more compression. Maybe that's related to piston weight?
So I'm confused. My little saws have not responded well to high compression. But I have seen 50cc saws that really do. My own are both above 180 and run great. I suspect I have other issues with my porting and working with stratos, but so far I haven't seen good results from high compression in 35cc and below, especially in clamshells.
I'm going to try more compression with different timing in my top handles, but probably not in a clamshell. Wild Things are totally unknown to me.