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Posting a reply to: Re: Low Compression/Got the answer

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hi


You are replying to:
leech lake strain
Posted 3/26/2013 8:50 PM (#630017 - in reply to #629987)
Subject: Re: Low Compression/Got the answer




Posts: 540


anzomcik - 3/26/2013 7:33 PM

Is the #1 cylinder the top cylinder?

I had an old merc 90 tower of power that heat seized the top piston because of an air pocket in the cooling chamber. Wondering if that maybe what happened to you.






Looks like scoring to the cylinder walls so no issue from above like spark plug or pre detonation. Must be inadaquate lubrication to that one like a faulty oiler or it could have just wore a ring out and broke it off in there. If it is wore rings you might of heard some engine noise like piston rattling ect?
After looking at it some more looks like the exhaust side is wear most of the scoring occured wich tells me inadequate lubrication!

Edited by leech lake strain 3/26/2013 8:55 PM

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