Recently purchased a 250 cc (stop laughing...) 2011 Honda CBR250R with about 18k mi. on it. Good bike except the low power requires frequent shifting and neutral is notoriously hard to find at times. Still, it's a Honda. Solidly built, low maint. Anyway, it strikes me I may have reason to...

I was riding to work today and felt a little bumpy ride and I could hear this scratching noise. It didn't sound good. The last couple times I had heard a strange sound when I was riding it turned out to be the car in front of me. However, I could feel this one. It felt as if something was stuck...