We recently went to the Harley Davidson Museum in Milwaukee. We are not riders but it was still a very interesting place to go. This is one of about 200 gas tanks they had on display.
I did my best to eliminate as many distractions that could have shown themselves in the image as possible. It is not a great shot, but it is a clean shot and in a case like this, the simpler the image the better.
When in doubt, leave it out. Keep your images simple.