Motorcycle engines live and die by how well they shed heat, and the choice between liquid and air cooling shapes everything from performance to maintenance. Riders weighing a new purchase or planning ...

The cooling system in your car deserves more attention than just pulling into a gas station and saying "Check the water please." The cooling system handles nearly one third of the heat generated in ...

Making big power with today's high-performance parts is relatively easy. Just go online, choose the parts that match your performance target, andwait for the goodies to arrive. But after those extra ...

The American motorcycle brand is shifting away from its classic engine design, and riders are fiercely debating the change. Here is the verdict.

Falling victim to radiator boil over or having your engine vapor lock while cruising through town is never a good thing. Finding yourself in the left turn lane at a red light with the engine ...

MESSRS. ROLLS ROYCE have introduced a new-system of water cooling under pressure on their “Merlin IV” engine. This is similar to the usual atmospheric one, but is closed and provided with loaded ...