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.

What is the best transmission for a motorcycle: chain, belt or shaft drive? Some say motorcycle riders only wear black t-shirts and jackets because old chains used to cover them in oil. That could ...

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 ...

Frictional belt drives reliably transmit power from source to load without asking much in the way of upkeep. Their modest needs stem from the fact that belts elongate through normal use and wear. The ...