Quote:
Originally Posted by Baja Guy
That flap belongs in the exhaust and it keeps water from backing into the engine during rapid decelleration and backing up. When it is burned up the engine has run very hot.
It can be repairable. You need a boat tech who can assess & correct the situation.
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This is true. As for the rest of the engine, a multitude of things came up in my head. I will have a very reliable engine mechanic go over the whole engine, compression check etc. If the engine was running hot, I would check the thermostat and have the cooling system back flushed. If the engine was drained rather the antifreeze, you may have tons of rust scales to deal with. As for the risers, cast iron risers do not last long in an open system, especially in salt water environment. When the engine is warming up, check to see if both risers are warming up at the same time. If one is cold and the other is hot, shut the engine down and investigate.
One could write a book on this subject. A good mechanic makes sense.