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Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ

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Chrome Exhaust Pipe Bluing

I just bought a used motorcycle (2007 Triumph) The twin chromed exhaust pipes are blued starting from the head (max heat) to about 1 ft. down. Is this due to incorrect mixture, timing, or is the chrome deficient? Can the bluing be removed, or polished out with a certain compound, or is it permanent?

Gordy Selby
hobbyist - Victoria, Texas, U.S.A.
June 11, 2008

Hi, Gordy. It's the chrome. Actually the nickel underneath the chrome, so you may find you cannot remove it, although there are products that claim to do so like Blue Job ⇦ this on eBay or Amazon [affil links] and Blue Buster ⇦ this on eBay or Amazon [affil links] . It's nearly a universal problem although a claim is made in letter 26051 that it is possible to plate exhaust pipes with sulfur-free nickel so they won't turn.

Regards,

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
June 11, 2008

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