What causes motorcycle exhaust pipes to blue?

The reason why a motorcycle exhaust pipe turn blue is because of the excessive heat going through the exhaust pipe. The metal forms an oxidized layer due to the extreme heat, which colors the exhaust pipe blue. The main causes for this excessive heat are: Lean air-fuel mixture in the engine.

How do I stop my motorcycle exhaust from turning blue?

There are many different cleaning products and polishes that are designed specifically for getting rid of the exhaust bluing. One example is Blue-Job Metal Polish. With this polish you use the included applicator cloth and a little water to make a paste out of the polish then rub it across the pipe.

What do blue exhaust pipes mean?

Motorcycle exhaust pipes turn blue as a result of extreme heat passing through them. This is usually caused by the motorcycle running lean, meaning there is too much air and too little gas being mixed together which causes a higher temperature to pass through the exhaust pipes.

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How do you remove discoloration from motorcycle pipes?

Removing Heat Stains

  1. Let your pipes cool before attempting to work on your bike.
  2. Dampen a tack cloth with water, then sprinkle cleaning powder on the rag. Use motorcycle cleaning powder designed to remove heat discoloration, or “bluing.”
  3. Rub the powder into your pipes to create a thick paste.

How do you keep chrome exhaust pipes from turning blue?

Ways to stop or cover up bluing

  1. Make sure your engine is tuned. …
  2. Air leaks can cause an excessive heat buildup. …
  3. New motorcycle engines go through a break-in period. …
  4. Painting the inside of the exhaust pipes with a ceramic based liquid like DYNO-KOTE™ or Blue Shield can insulate the pipes from intense heat and bluing.

How hot do exhaust pipes get motorcycle?

What is the normal operating temperature for a motorcycle? Well, the average temperature in an exhaust pipe can be between 700-1400 degrees Fahrenheit, which is very compared to normal heat and capable of causing heavy damage and burn when touched.

How do you keep stainless steel heads from turning blue?

Repop stainless pipes turn golden brown. You can polish them with Blue Away or polish them more with Mother’s or Simichrome polish and get rid of it, but it will come right back.

Does stainless steel exhaust change color?

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.

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What are motorcycle exhaust pipes made of?

Most exhausts are built from steel pipe and then are chromed or ceramic coated. They can be built from stainless steel and other alloys. Whatever the material is, it needs to be able to withstand the tremendous heat needed for bending the tube.

How do I get rid of blue tip exhaust?

The solution to removing blueing on chrome (as well as blueing on stainless steel) is to polish the metal with a slightly abrasive chemical that will scrape off the oxidized layer.

How do you get burn marks off a motorcycle exhaust?

Below is a short list:

  1. Paint Remover (works well for burnt on rain suits)
  2. Generic oven cleaner.
  3. Acetone (found in most fingernail polish removers)
  4. Carb cleaners / starters.
  5. Mineral Spirits, Paint Thinners, Gasoline, Diesel, etc.
  6. WD-40, Goof off, etc.

Will a titanium exhaust turn blue?

If the link pipes are titanium then they could absolutely blue over repeated heat cycles.

How do you remove heat stains from stainless steel exhaust?

Moisten a soft cloth with club soda. Rub it over the heat stain using a circular motion. Turn the cloth to a clean portion as needed and apply additional club soda to keep the surface moist. Even more prominent stains can be removed with this method, however, it will take some time and elbow grease to get the job done.