crankcase body

Hi Just got a good deal on an 066. Everything is oem except a metor piston and rings. The saw is an absolute beast and has no issues as far as I can tell but there are some cracks and small pieces that broke off on the bottom of the bar side of the crankcase. If this damage causes any trouble in...

I'm hoping some of the regulars here can help me out on this. I have searched the forums, and found some good info, but not the exact thing I'm questioning. I purchased a MS250 from a flea market, which turned out to be a MS210C. The saw had been run without chain lubricant for quite some...