We may receive a commission on purchases made from links. One notable aspect about Harley-Davidson's, and in fact, almost every motorcycle, is that their engines are much more exposed than they are on ...

Inline and V engines dominate modern combustion vehicle design. Each layout offers unique advantages in packaging, smoothness, cost, and performance. Here is how the two configurations differ and why ...

Last week, Yamaha revealed a hybrid motorcycle engine system it's working on, plonked in a maxi scooter prototype. It could spell an interesting new direction for the Japanese two-wheeler giant to ...

Carburetors with vacuum lines are still found on classic vehicles and small-displacement engines — but what is the vacuum actually used for? Let's take a look.