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post #5 of Old 08-23-2011
NCboatrx
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Chun,
I suggest that you check the valve clearances (tappets). There will be a section in the workshop manual on the cylinder head and valves. Work carefully and check with a feeler gauge if the clearances are correct. If they are too tight on one cylinder, you will experience loss of power on that cylinder.
Stanley

Stanley,
Marine Diesel Engine Vendor
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