Harley-Davidsons are special. Aside from their unique "potato-potato" exhaust note, they stand apart from most motorcycles mainly due to their single-pin crankshaft design and their belt final drives.

Do you know what a timing belt or a timing chain is and what they do? Could you find them on your vehicle's engine if you had to? If you answered no, don't sweat it. Both are buried behind a lot of ...

“Replace chains when ‘stretch’ exceeds 2% of their original length,” says Greg Madlinger, Daido Chain. If a chain’s original length is unknown, consider this: The distance between the pins on a roller ...

Gates belt drives are engineered with high-stiffness, long-lasting synthetic compounds layered with carbon fiber cords for superior strength and durability. New nylon tooth fabric improves the Moto X5 ...

We may earn commission from links on this page, but we only recommend products we love. Promise. Just a quick PSA: Your belt should be doing *so* much more than just holding your pants up. Like a ...