motor teardown/DSCN9289

motor teardown

DSCN9289.JPG - Not much of a ridge here. However, I've been told by someone that knows much more about engines than I do. "That corrosion on the top of the bore only happens went coolant leaks into the combustion camber after shutdown. The liquid coolant corrodes the piston rings - too. That both increases blow-by and allows more coolant into the crankcase and lube oil. At the very top of the frame, you can see where the combustion seal of the gasket has been breached. There are ring travel marks that should not be visible and the hone structure (required to carry lube oil for the piston rings) is gone from the top inch of the bore."

Not much of a ridge here. However, I've been told by someone that knows much more about engines than I do. "That corrosion on the top of the bore only happens went coolant leaks into the combustion camber after shutdown. The liquid coolant corrodes the piston rings - too. That both increases blow-by and allows more coolant into the crankcase and lube oil. At the very top of the frame, you can see where the combustion seal of the gasket has been breached. There are ring travel marks that should not be visible and the hone structure (required to carry lube oil for the piston rings) is gone from the top inch of the bore."

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