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Old 05-16-2016, 12:31 AM
Rocklinpro190 Rocklinpro190 is offline
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Boat: 1990 mastercraft prostar 190 351 indmar
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1990 prostar 190 3" exhaust elbow?

Hello all,

I Recently purchased a 90 prostar 190 and there is a water leak coming from 3" water exhaust hose. I have narrowed it down to a fiberglass elbow that has a crack in it. The elbow connects a piece of 3" exhaust hose together between the manifold and rear exhaust. The fiberglass elbow appears to be kinda curved or angled. I can't find this part anywhere, please help.

I attached a photo of the elbow, any info would be greatly appreciated.

Thanks
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Old 05-16-2016, 07:53 AM
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paco_06 paco_06 is offline
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I may be wrong, but I think that is afro engineered.... Most have a 45 degree muffler end. I recently repaired my muffler. Po had an impeller go bad and heated it to the point of failure and leaking like yours. I "rebuilt" it with marine JB weld. Still had an extremely small leak, so I sealed with 3m 5200. This may be all you need. Just finish taking it apart. If it has a crack in it, repair it. If it still leaks repair it. Muffler for my 1993 model is $200, and I'm too ocd to only replace one. I took a chance and it seems to have paid off. I put ten hours on the repair this weekend and not a drop of water!
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Old 05-16-2016, 08:10 AM
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mikeg205 mikeg205 is offline
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What Paco says... never toss a muffler... fixes are so easy.
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...A bad day water skiing still beats a good day at work...1995 Pro Star 205....
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Old 05-16-2016, 08:22 AM
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grateful butler grateful butler is offline
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I think that Paco_06 is correct... I have refiberglassed mine 3 times in my 1996 prostar190 and finally gave up. I purchase a new exhaust pipe from www.skidim.com It was a little pricy but wont have to mess with it anymore.
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Old 05-16-2016, 08:59 AM
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paco_06 paco_06 is offline
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Quote:
Originally Posted by grateful butler View Post
I think that Paco_06 is correct... I have refiberglassed mine 3 times in my 1996 prostar190 and finally gave up. I purchase a new exhaust pipe from www.skidim.com It was a little pricy but wont have to mess with it anymore.
Yes, that's what mine look like and I think that's what yours is supposed to look like rocklin..... Maybe a previous owner tried to be cheap and install a muffler with a straight on each end. Or does your boat have a muffler at all? Anyways, just try repairing that 45 coupling before buying new mufflers....
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Old 05-16-2016, 10:39 AM
Rocklinpro190 Rocklinpro190 is offline
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Boat: 1990 mastercraft prostar 190 351 indmar
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Yeah my boat has no mufflers at all on it. The other sides elbow is in great shape still. I'll try and repair it with jb weld and 5200, but the cracks is pretty long and runs almost the entire elbow length.

Wish I could just find a replacement, but I know that might be tricky since it's a 1990.
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Old 05-16-2016, 12:06 PM
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paco_06 paco_06 is offline
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Quote:
Originally Posted by Rocklinpro190 View Post
Yeah my boat has no mufflers at all on it. The other sides elbow is in great shape still. I'll try and repair it with jb weld and 5200, but the cracks is pretty long and runs almost the entire elbow length.

Wish I could just find a replacement, but I know that might be tricky since it's a 1990.
Just call skidim, they didn't have anything on their website, but I'm sure they can help you.

Another thing to consider would be a home improvement store in the plumbing department. A good schedule 40 3" 45 should work. Most people use the PVC pipe in place of the mufflers anyways considering that flexible exhaust hose is $20 per linear foot. Now that I've thought about it, that would be the best option for you!
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Old 05-16-2016, 12:55 PM
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TLR67 TLR67 is offline
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I used the Muffler elbows to make my exhaust straight through.......
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Old 05-17-2016, 07:10 AM
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paco_06 paco_06 is offline
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http://www.discountmarinesupplies.co...ee_Elbows.html

Just found these.
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  #10  
Old 05-17-2016, 07:11 AM
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paco_06 paco_06 is offline
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You should need the 3" may want to measure
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