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  #1  
Old 25 May 2008
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f650gs exhaust cleaning

Hi there guys,
Would anyone know how to clean the stains off the exhaust of 06 F650 gs
Much appreciated
Kev
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Old 25 Jun 2008
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A product called "Blue Job" out of the U.S. seems to work pretty good on discoloration ... maybe it will work on stains in general.
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Old 1 Jul 2008
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cure for exhaust discoloration?

especially the right handside one of the exhaust cans tends to be discolored; get browny-yellowish by time. this (the right one of them) is the real working one, isn't it? I tried some solvents too,that would make no harm (!) to the metal, but nothing improved a bit. WD40 won't work, for instance. by the way, is there any relevance this change of color and the life span of the catalyser?

Last edited by endurin; 1 Jul 2008 at 22:12. Reason: grammer
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Old 1 Jul 2008
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Not a stain

This is not a stain. It is the natural colour that occures with heating. You can polish it out .. but the colour will return if you use the bike. So if you want to spend your time polishing rather than riding ..
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