With a much higher state of tune, a motorcycle engine lives a more stressful life ... oil passages flow more efficiently, ...

The Industrial Revolution's strides produced many miracles. Advancements in metallurgy and improved technological practices made the mass production of precision parts possible and, with time ...

Basically, two opposed pistons are rigidly connected to a perpendicular ... And if those engine output figures seem tame by comparison with sport bike engines boasting far less displacement ...