Very interesting discussion of the development and manufacturing of 270° parallel twins, why they're suddenly popular (surprisingly to me, not because they rock but because: emissions), and yet a...

This is the Denis Manning-designed Harley Davidson-powered streamliner that Cal Rayborn piloted to a new world (265.492mph) record in 1970. The attempt was featured in the classic Bruce Brown film, On...

The Harley-Davidson Motor Co. built more than 90,000 motorcycles during World War II for the armed forces—a row of Army Armored Division contingency of mounted soldiers made an impressive sight....

It’s running a one-off engine block with custom fuel and ignition systems, along with a BMW K100 gearbox, and an alternator borrowed from a car. It’s a hefty bit of kit (weighing around 1,300 lbs), so...