Chrome
Chrome is by far the most common bright work on motorcycles. Chromium, the metal used to chrome plate steel and other metals, resists tarnishing and holds a shine better than all other metals, including platinum. Chrome has a single enemy: rust. Over time, chrome oxidizes and develops rust spots. The higher quality the chrome plating, the more it will resist rusting, but eventually, it will happen. If you allow the chrome to go too long without removing the rust, the chrome will become permanently pitted.
Heavy rust on chromed parts requires a decision: polish or re-chrome. Re-plating small parts is pretty easy. Simply remove the part and hand it to your local plating company. A couple weeks later you’ll have your part back looking like new. However, what if it’s a large part, like a bumper or a window frame? Re-plating a medium or large part is expensive. Even a modest size part, such as an engine case or air cleaner cover, can cost $100 or more. If you think there’s even a remote chance the rusted chrome part is salvageable, you should try to save it.
Removing rust and polishing chrome can usually restore chrome to a reasonable looking condition. If the rust simply coats, and is not deeply embedded, the chrome should come back to life. As long as the chrome is not flaking off, you have a chance of saving it.
Most pro detailers use fine grades of steel wool to remove rust from chrome. It’s quick and easy. Please use caution if you choose this route, as even fine (000) or super fine (0000) steel wool leaves minor scratches that you will need to polish with a metal or chrome polish to remove. Another product that works well is the household steel wool soap pad. The soap acts as both a cleaner and a lubricant to prevent scratching (use plenty of water). Warning: keep steel wool away from painted surfaces.
If you have rust in cracks and crevices you can’t reach, use a toothbrush and household cleanser. Wet the toothbrush, dip it in the cleanser, and start scrubbing. The abrasives in the cleanser remove rust very fast. Rinse well with plenty of fresh water.
The final step with chrome is to polish it with a good chrome or metal polish. Use a polish specifically made for chrome. With most metal polishes, a little goes a long way, so use just a little dab at a time. Also, the best metal polishing cloth is soft cotton, such as tee shirt material. Cotton fleece, such as an old sweatshirt works great, too.
http://www.hawg-wash.com/polishingmetal.html
