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Old 08-25-2018, 09:17 AM   #13
Ski in NC
Technical Guru
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City: Wilmington, NC
Country: USA
Vessel Name: Louisa
Vessel Model: Custom Built 38
Join Date: Jan 2014
Posts: 5,750
Would not expect a rod/piston/bearing failure if engine was ok when shut down, then a bad noise on next start. I too would be looking at things like damper plate, etc.

Might check valve gear under the rocker cover. Could be a sticky valve.

Audio of the noise can be very helpful.
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