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Old 17-06-2020, 05:05   #1
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Join Date: Mar 2012
Location: USVI
Boat: Lagoon 450S
Posts: 87
Gasket and seal for exhaust elbows
On my Yanmar 4JH57 I am checking the exhaust elbows and noticed some leakage between the gasket and the engine block. I'll replace the gasket once I get them shipped. In the meantime I scraped the gasket and block clean. Should I smear a thin layer of muffler sealant, like Permatex 80335 Muffler and Tailpipe Sealer, to improve the seal? Or, is this just overkill?
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