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MarkT Exhaust
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Author Topic: Water(?) emitting from the muffler.  (Read 1122 times)
RonW
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Posts: 1867

Newport Beach


« on: April 19, 2018, 03:11:32 PM »

My mufflers have been depositing liquid on the floor more than the usual amount while I was warming up the engine. Does anybody remember if this was a symptom of a larger problem. I think the liquid is water. It doesn't appear to be coolant. And doesn't evaporate off the floor as fast as gasoline would or smell like gasoline. The wet strip in the top pic was larger but dried some by the time I got the camera out, but was the same amount as the bottom pic. The rounder spots are where the liquid drips down from the ends of the muffler tips. Actually a ⅛-inch deep puddle, little less.



« Last Edit: April 19, 2018, 03:14:06 PM by RonW » Logged

2000 Valkyrie Tourer
Pete
Member
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Posts: 2673


Frasier in Southeast Tennessee


« Reply #1 on: April 19, 2018, 03:27:51 PM »

Put white paper back there so you can see the color, get a good smell test and get some ideas.

High humidity can affect the amount of start up moisture you see.

Short trips where the pipes do not get dried out from startup could also be an issue.
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LB
Member
*****
Posts: 84


2003

Upstate South Carolina


« Reply #2 on: April 19, 2018, 03:51:25 PM »

Water is a byproduct of the combustion engine. All gasoline engines produce water. It evaporates inside the hot exhaust system so you usually don't see it. If the pipes are cold, and if it is cold outside, you'll see a fair amount of water dripping from the pipes until they warm up. There's nothing to worry about.
« Last Edit: April 21, 2018, 07:40:54 PM by LB » Logged
sandy
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Posts: 5383


Mesa, AZ.


« Reply #3 on: April 19, 2018, 08:37:44 PM »

As you live in Newport Beach, you know it's humid there. When the pipes cool down after a ride, the cooling effect causes humidity to condense in the pipes. If you have OEM pipes, there's a weep hole at the front end of the mufflers. Aftermarket pipes rarely have the hole and the water blows out on startup. Normal puddles.
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RonW
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Posts: 1867

Newport Beach


« Reply #4 on: April 19, 2018, 09:24:38 PM »

I'm not in Newport now, but the weather was humid. The sky fell down the other day. I idled the bike longer than usual because I was trying to track down the source of a metallic tinkling noise emanating from the muffler. It's been said that the rubber bumpers (5) may be worn down, causing the sound. An existing problem leads to another problem. I just don't remember the same amount of water from the exhaust. The last time I even rode the bike was 4 months ago, ruptured achilles tendon. I desmoged back then. & repaired the clutch slave. Had to take the mufflers off for the desmog in order to plug the bottom air injection port.

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2000 Valkyrie Tourer
Hooter
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Posts: 4092

S.W. Michigan


« Reply #5 on: April 20, 2018, 04:39:58 AM »

Just for what its worth, Drain the dragon snot and see how much you get? As for moisture out of the mufflers,  mine does it as well without any problems.
« Last Edit: April 20, 2018, 04:41:33 AM by Hooter » Logged

You are never lost if you don't care where you are!
oldsmokey
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Posts: 354

Mendon Massachusetts


« Reply #6 on: April 20, 2018, 01:42:32 PM »

Mine does it as well as the wing. Always has, weather conditions have played a part in it.
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Skinhead
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Posts: 8727


J. A. B. O. A.

Troy, MI


« Reply #7 on: April 20, 2018, 02:11:36 PM »

when the engine is cold, you will get water accumulating in the exhaust.  life is short, stop worrying.
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Troy, MI
hubcapsc
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Posts: 16779


upstate

South Carolina


« Reply #8 on: April 20, 2018, 05:01:23 PM »


My friend Gary's Valkyrie would shoot gas out the exhaust, and out
those little weep holes on the bottom of the exhausts, when his
petcock was bad... it was bad in a way that caused gas to run down
the vacuum line...

-Mike
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