Pipe turning gold - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
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post #1 of 10 Old 06-26-2007, 05:12 PM Thread Starter
squeegee's Avatar
Join Date: Jun 2007
Location: Kendall County, Illinois
Posts: 66
Pipe turning gold

Hey Stromies!
Just got my DL650K7. Does everyone's V or wee pipes turn gold at the bend coming out of the engine? I have 158 miles on it and it already looks GOLD/brown. I talked to a harley guy here at work and he said it's "running lean". Most of the pics I see of others bike seem to have to this issue also. Should i just except it? Nature of the beast? Get a remap? Or is there a cleaner that removes this? Thanks in advance ... the Squeegee
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post #2 of 10 Old 06-26-2007, 05:15 PM
Join Date: Mar 2007
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Call Kieth at Dobeck and get a fueler. I put mine on a couple weeks ago and the problem is solved. I run stock pipes on mine.
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post #3 of 10 Old 06-26-2007, 05:34 PM
Join Date: May 2007
Location: Central Illinois
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Pipes Turning Gold

This is happening to my pipes, also, but I believe this is normal. I found some information regarding this on the internet:

"Through the years, a number of people have asked us about their aftermarket exhaust tips turning a goldish color.

Good-quality stainless steel normally turns this color when exposed to repeated heat cycles, and will even turn blue if it gets hot enough. The "golding" should be considered normal and not a defect."

This information was found at the below link. It's part of an advertisement for a product which can be used to eliminate the goldish coloring from stainless steel pipes if you wish.
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post #4 of 10 Old 06-26-2007, 05:36 PM
Join Date: Apr 2007
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Fairly normal since I believe the bikes are tuned a little on the rich side from somewhere that I read. Most turn a bluish with some slight gold coloration. I would not worry too much unless you just hate the sight of gold pipes. I think it goes to show you the V-Strom turns to gold with age!:mrgreen:
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post #5 of 10 Old 06-26-2007, 05:40 PM
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Perfectly normal.

Scott Craig - Nashville, TN
Red '06 Suzuki DL650 - Red '07 Honda VFR800 - My Bike Page
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post #6 of 10 Old 06-26-2007, 05:41 PM
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Location: Evanston IL USA
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It's normal for single walled stainless steel headers to turn a straw color. Chromed steel will turn blue. Most chromed steel pipes are double walled though and won't discolor. Lean burning will result in a hotter exhaust but the Harley guy didn't know the strom has a single wall SS header.

Pat- 2007 DL650A was ridden to all 48 contiguous states. I didn't quite make it to 17,000 miles on the 2012 DL650A.
Nicknames I use to lessen typing, Vee = 2002-2012 DL1000s. Vee2=2014-2016 DL1000s. Wee = 2004-2011 DL650s. Glee = 2012-2016 DL650s
See https://www.stromtrooper.com/general-...nicknames.html

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post #7 of 10 Old 06-26-2007, 06:20 PM
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Join Date: Aug 2006
Location: Rathdrum, Idaho
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Add to what Greywolf just stated, I believe that the 2007's are set up to meet the tougher Euro emission standards wit a catalytic thingy. My new 1250 Bandit has colored up the pipes all the way back to the muffler. The catalytic whoosit will also add to the coloration due to the increase in temp.
I love to get techical in my posts!!!

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2007 Suzuki GSF1250K7 Bandit - Black of course!
2006 Suzuki DL650K6 - Alaska and back July/Aug 2007
1978 Yamaha SR500E - Frame up restoration in progress
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post #8 of 10 Old 06-26-2007, 09:00 PM
Join Date: Apr 2007
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Your post made more sense to me than anything I've read in a while.
Mine are also gold back to the muffler.
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post #9 of 10 Old 06-28-2007, 12:05 AM
Join Date: Jun 2007
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Air injection

It's as much the fact that the bike is running lean as it is the fact that air is being injected into the exhaust. Hi temp exhaust gas with air mixed into it is burning off the unburnt fuel, in the exhaust header.

Some people wrap their exhaust headers with a high temp wrap, to reduce the heating and cooling of the header, hopefully, making it last longer.

I remember my old 1975 BMW discolored it's stainless exhaust, and it didn't have a bit of smog on it.

Last edited by Monterey10; 06-28-2007 at 12:07 AM. Reason: Fix text
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post #10 of 10 Old 06-28-2007, 02:02 AM
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Join Date: Jun 2007
Location: Boston MA
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Its normal, you shouldve seen the pipe on my bird 4 into 1 on a hot running 1137cc motor, it was gold as hell and placed perfectly to burn your leg :evil:

1997 CBR600F3 sold
1998 CBR1100XX sold
2007 Wee-Strom

"It's the game of life. Do I win or do I lose? One day they're gonna shut the game down. I gotta have as much fun and go around the board as many times as I can before it's my turn to leave."
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