Suzuki Forum - Suzuki Enthusiast Forums - exhaust pipe turning yellow

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yves_mil

07-28-2008 07:21 PM

exhaust pipe turning yellow

Hello all!

I have a 2005 c90 and the rear cylinder exhaust pipe is turning yellow at the header. The bike only has 5000 miles. I don't over rev the engine however I shift a little over the the compagny spec. Is this normal and why is it only the rear cylinder?

Thanks

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