Zongshen ZS12532 Engine Seized HELP

[Weldangrind]

Originally Posted by Cal25

You have to find out whats wrong before it can be fixed. No compression could be other tings besides rings. hole in the piston could cause it. So could a broken, bent , or stuck valve. Anytime a component breaks, there is a chance that damage will occur to nearby parts as well.

X2.

Loss of compression can also be caused by a burned exhaust valve or an improperly adjusted decompression device. I wouldn't be tearing into the bottom end anytime soon.