I had poor compression on one cylinder of 2003 Tohatsu 8B 2 stroke engine.Took off head & found corrosion in water jacket. As I cleaned up corrosion a hole opened up at lower corner of water jacket. I am uncertain if it is part of design or at least ok as part of water system or I have to weld the hole shut. Can someone help advise? I recognize the corrosion around the cylinder walls yet hope that a new gasket will create needed seal. Thanks in advance. David
Attachments
Last edited: