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Author Topic: Operating Temps at Exhaust Heads  (Read 1128 times)
G-Man
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White Plains, NY


« on: November 15, 2013, 04:23:20 PM »

How hot do the exhaust heads get under normal operating temps?
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Detn8er
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South Carolina


« Reply #1 on: November 15, 2013, 04:38:01 PM »

How hot do the exhaust heads get under normal operating temps?
2.......Hot to touch......Don't do it.  Wink
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old2soon
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Willow Springs mo


« Reply #2 on: November 15, 2013, 04:46:10 PM »

The explosives guy from S C is correctamundo.  2funny RIDE SAFE.
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Today is the tommorow you worried about yesterday. If at first you don't succeed screw it-save it for nite check.  1964  1968 U S Navy. Two cruises off Nam.
VRCCDS0240  2012 GL1800 Gold Wing Motor Trike conversion
G-Man
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White Plains, NY


« Reply #3 on: November 15, 2013, 05:32:32 PM »

Awe man, was gonna blow up my valkyrie and was afraid of burnin my lips on the exhaust pipes.

Actually, I found flat black high heat paint that says good up to 2000 *F. 
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Smokinjoe-VRCCDS#0005
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American by Birth, Southern by the Grace of God.

Beautiful east Tennessee ( GOD'S Country )


« Reply #4 on: November 15, 2013, 05:59:09 PM »

I use BBQ / Stove 1500 degree ( Rust-Oleum ) paint on mine and brush it on as it needs touched up from time to time. Best way to do it is rough up the pipes with some sandpaper start the bike let it get just pass warm so you get just alittle smoke when you apply.... It will stay on and look much better if done this way ... Heating the header give a nice slick finish with no brush marks.



« Last Edit: November 15, 2013, 06:04:38 PM by Smokinjoe-VRCCDS#0005 » Logged



I've seen alot of people that thought they were cool , but then again Lord I've seen alot of fools.
Bugslayer
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Lubbock, Texas


« Reply #5 on: November 15, 2013, 08:21:47 PM »

How hot do the exhaust heads get under normal operating temps?


Back in '09, I posted about painting my TBR headers. I also checked the temps of the headers before I painted them. This is what I found.....

"...With the TBR's being single walled pipes, I was kinda worried about the heat. So I used "Rust-Oleum High Heat" spray paint. (2000* paint) Speaking of heat, they don't seem to get quite as hot as I thought. I've checked them several time's after rides (with a lazer thermometer and the bike still running). The hottest temp I found on any of the pipes was a cool 540*. (right below the flange on the back pipe.) The rest of the pipes were running 480-500*. They would get cooler as I went down the pipe. (I understand temp's can be different from bike to bike depending on how the carb's/engine is tuned.)..."

http://www.valkyrieforum.com/bbs/index.php/topic,9801.0.html
« Last Edit: November 15, 2013, 08:26:16 PM by Bugslayer » Logged
art
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Grants Pass,Or

Grants Pass,Or


« Reply #6 on: November 15, 2013, 09:10:40 PM »

Awe man, was gonna blow up my valkyrie and was afraid of burnin my lips on the exhaust pipes.

Actually, I found flat black high heat paint that says good up to 2000 *F. 
Believe it or not I did burn my lips on the exhaust pips of a 66 Norton many years ago,Don't laugh ,It hurt like hell. I bent down to check something near the front of the engine without paying attention and got too close to the pipe and zingo I got it. OUCH.
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sandy
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Mesa, AZ.


« Reply #7 on: November 16, 2013, 06:37:54 AM »

Do a search for Jet Hot Coatings. It's made for headers and other high heat parts.
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Grandpot
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Rolling Thunder South Carolina Chapter 1

Fort Mill, South Carolina


« Reply #8 on: November 16, 2013, 07:11:06 AM »

Art:

You are a man of extreme moral character.  I never would have admitted to doing that.  Good for you.
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crazy2 Experience is recognizing the same mistake every time you make it.crazy2
The emperor has no clothes
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« Reply #9 on: November 16, 2013, 09:54:59 AM »

Art:

You are a man of extreme moral character.  I never would have admitted to doing that.  Good for you.
I agree but how did you expect me not to laugh ? Like grandpot said I would have taken that to the grave 2funny
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john
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tyler texas


« Reply #10 on: November 17, 2013, 11:53:26 AM »

what I found ...
" The temperature of motorcycle exhaust is usually 800 degrees Fahrenheit when idle and 1200 degrees Fahrenheit when at high speeds."
 ! - See more at: http://www.chacha.com/question/what-is-the-average-temperature-of-motorcycle-exhaust#sthash.h7LY9Dwd.dpuf             Smiley
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ricoman
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Sarasota, FL


« Reply #11 on: November 17, 2013, 12:05:59 PM »

How hot do the exhaust heads get under normal operating temps?




All the answers assume you want to paint them and really didn't address your question. You said "exhaust heads". I don't know of an accurate way to measure that given much of the head is surrounded by the valve cover.
If you meant header pipes-
Stock Valk header pipes are double walled-you won't see much over 300 degrees on them. Single wall pipes will get to 500 and up under normal conditions and may get to 800 while idling at a stop.
Some dual sport bikes with titanium pipes actually glow in the dark.
Just read the post by John. I can't dissagree with it but my numbers are from my experiences.
Those temps in his post link related to single wall pipes. The inside pipes of the doubled walled Valk pipes will get to those temps.
« Last Edit: November 17, 2013, 12:09:48 PM by ricoman » Logged

take personal responsibility and keep your word



98 Tourer, black and chrome, added 8/11/10
98 Std, yellow/cream, totaled 8/3/10
G-Man
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White Plains, NY


« Reply #12 on: November 18, 2013, 11:29:55 AM »

Awe man, was gonna blow up my valkyrie and was afraid of burnin my lips on the exhaust pipes.

Actually, I found flat black high heat paint that says good up to 2000 *F. 
Believe it or not I did burn my lips on the exhaust pips of a 66 Norton many years ago,Don't laugh ,It hurt like hell. I bent down to check something near the front of the engine without paying attention and got too close to the pipe and zingo I got it. OUCH.

 2funny    I'm laughing with you, not at you, brother!
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