Many modern passenger cars have either a timing belt or a timing chain. Generally speaking, timing belts have the advantage of being quieter and cheaper to produce and replace, while timing chains ...

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 ...