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Thread: Indmar Exhaust collector
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01-31-2012, 05:34 AM #1Junior Member
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Indmar Exhaust collector
Hello. I need to change the exhaust cellector of my Moomba LSV 08. The engine is a Indmar Assault 325 MPI.
What exhaust I need 3" or 3.5"?
How could I know when them have to be remplaced??
*Excuse my english. I´m from Spain. Thanks
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01-31-2012, 06:22 AM #2
Not exactly sure what part your refering to.
On the 08 LSV with the Idmar 5.7 325hp engine you have 2 exhaust manifolds attached tot he engine block, from there it has a tube <left and right> respectivly, both of them goto a Muffler that sits at the rear of the boat. It looks like a tube and sits right above infront of the eingine. From the muffler 2 tubes drop down to the hull and exit threw the boat hull. On the end og the tubes are flapers. They are rubber flaps designed to allow the exhaust to vent out of the pipes but not allow water to enter the exhaust if you have a wave hit the back of the boat, or you are traveling in reverse.
Please explain what part it is you need to replace? Nothing on the exhaust should need to be replaced on a boat this new unless you use it in Salt water.Malo <--- Means--Evil or Mean One. This explains a lot.
2013 Mojo 2.5 Skylon Tower. Bestia < Beast >
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01-31-2012, 08:41 AM #3Junior Member
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GLMSBCIND.jpg
This is the parts. I use it in salt water.
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01-31-2012, 07:21 PM #4
skidim.com has all of those parts in stock (exhaust manifold, risers, gaskets, and all bolts necessary). They also have the muffler replacement if needed.
http://www.skidim.com/products.asp?dept=1068
instead of the papter gasket for the exhaust manifold gasket, you can use a high-temp form-a-gasket if desired. That's what Indmar uses in the factory, have for years - you'll see that when you pull the manifold off of the engine.
Torque on the exhaust manifold bolts is 18 to 24 ft-lbs and on the riser bolts it is 18 to 22 ft-lbs.2015 Supra SC400
08 LSV - Sold
Go big, or go home.
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01-31-2012, 07:24 PM #5
Oh, and if you use your boat in salt water, you should be able to flush the engine with fresh water (fake-a-lake) after each time out and help prevent having to replace these parts, as well as many others down the road.
2015 Supra SC400
08 LSV - Sold
Go big, or go home.
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02-01-2012, 03:51 AM #6Junior Member
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How could I flush the engine with fresh water?
And the riser is 3" or 3.5"??
Thanks
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02-01-2012, 04:34 AM #7Junior Member
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02-01-2012, 12:13 PM #8
To flush engine with fresh water they sell an attachment often called a "fake lake" but more accurately called an Inboard Engine Adjustable Motor Flusher. Such as
http://www.overtons.com/modperl/prod...0&merchID=4006
The riser should be 3.5 according to skidim
Do you not have access to the boat? I can be measured at the round end of the riser. I would double check what is installed currently, but it should be 3.5.Last edited by KSmith; 02-01-2012 at 12:15 PM.
Kraig - 2010 Outback V
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02-01-2012, 12:42 PM #9
You can make a homemade "fake a lake" using a hose connector and a toilet plunger. Here's a link to one:
https://forum.moomba.com/showthread....IY-fake-a-lake
You should be flushing with fresh water after every use.Last edited by kaneboats; 02-01-2012 at 12:48 PM.
My Mom said I'm not allowed to get wet!
2008 LSV (sold)
2000 Outback LS (sold)
LLTR!!!!!!!!
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02-02-2012, 12:02 PM #10Junior Member
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Yes, I have a Perko "FlushPro". But the previous owner didn´t use it.
I need wash the cooling circuit because it have mud dirt to the river. Do you have any idea???