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  #21  
Old 04-30-2018, 03:00 PM
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Lars Lars is offline
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Check the transmission cooler, in my 197 its the first thing after the raw water pump and there's a strainer in it, pull the water hoses off and see if you can clear out any debris.
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  #22  
Old 04-30-2018, 03:12 PM
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You might have melted the inside of the muffler(s) as well.
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  #23  
Old 04-30-2018, 04:50 PM
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lentiman lentiman is offline
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Even with the fresh water turned off, that impeller didn't just suddenly fail to that extent. I'll pull and check all the hoses and remove and check the mufflers before putting that back in the water.
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  #24  
Old 04-30-2018, 10:01 PM
waterlogged882 waterlogged882 is offline
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All good advice above. I'd not go tearing into things (with gaskets...thermostat housing, etc.) until you put the impeller in and see if it cools properly. If it does, likely the pieces have already gone through. You put a hell of a strain on the entire system, so I doubt the impeller pieces are wedged. $0.02

When I melted down the one I showed you earlier, I found a large chunk of the internal wall of the exhaust hose stuck in the muffler between the baffles. Certainly take it apart and check all possibilities.

Listen to the advice of the others here about the other components.

I can almost 100% guarantee your exhaust hoses are ruined. I highly recommend replacing them, regardless.


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  #25  
Old 05-01-2018, 12:46 AM
avorob avorob is offline
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Quote:
Originally Posted by waterlogged882 View Post
Change the hoses.........or not... your call. I would minimum change hoses (no chance of flow restriction or back flow from an internal pocket), change the impeller, and look at the oil for signs of water intrusion (head gasket deteriorated). The oil should be clean looking, no water mixed (a milky look) or a scorched smell. Change the oil regardless but pay attention to what the current oil looks and smells like.

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Originally Posted by Lars View Post
Check the transmission cooler, in my 197 its the first thing after the raw water pump and there's a strainer in it, pull the water hoses off and see if you can clear out any debris.
How do I find the trans cooler?
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  #26  
Old 05-01-2018, 12:49 AM
avorob avorob is offline
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I can almost 100% guarantee your exhaust hoses are ruined. I highly recommend replacing them, regardless.
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How do exhaust hoses look like? The ones with 90 deg bend?
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  #27  
Old 05-01-2018, 01:23 AM
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lentiman lentiman is offline
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If you were in my area I'd help you out. Perhaps you can find a local TT member that can lend a hand.
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  #28  
Old 05-01-2018, 07:06 AM
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CantRepeat CantRepeat is offline
 
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Originally Posted by avorob View Post
How do exhaust hoses look like? The ones with 90 deg bend?
Look at the photo in this thread.

https://www.mastercraft.com/teamtalk...ad.php?t=67190

On the end of the exhaust manifold is part of an exhaust hose. The hose you see will connect to the muffler and then there will be two more hose that look like that one that go from the muffler to the transom of the boat.
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  #29  
Old 05-01-2018, 11:48 AM
avorob avorob is offline
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Originally Posted by CantRepeat View Post
Look at the photo in this thread.

https://www.mastercraft.com/teamtalk...ad.php?t=67190

On the end of the exhaust manifold is part of an exhaust hose. The hose you see will connect to the muffler and then there will be two more hose that look like that one that go from the muffler to the transom of the boat.
Replace the two straight and two 90 deg rubber hoses on the pix?
Buy on Discount Inboard Marine?
No need to worry about the fiberglass muffler?
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  #30  
Old 05-01-2018, 12:36 PM
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CantRepeat CantRepeat is offline
 
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Yes, those are the hoses. I would check the inside of the muffler while you have it all apart.

The green area got extremely hot and probably will de-laminate. The blue are got hot enough to burn the paint off of the muffler.
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Last edited by CantRepeat; 05-02-2018 at 05:51 PM.
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