FrankFlorio
Impulse
My '08 R1200RT exhaust pipes developed a blue color. Is this normal? I was wondering if perhaps too much gas vs air? Thanks..............
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Note: There are two head pipes hanging from my garage rafters from a '77 900SS Ducati that was ridden very hard "back-in-the-day" that have almost no bluing on them at all. Very slight if any. They were truely triple plated.
I thought the "blueing" was the result of single-wall (do blue) vs. double-wall (do NOT blue) exhaust headers. Do I just have a faulty memory?
Correct. Bluing is cause by heat. The bluer the header the hotter the exhaust gas temp. The leaner the mixture the hotter the exhaust. Single wall pipe bluing is normal, however the bluing should not extend to the mufflers (too hot).