Usually these replica kit cars use an air-cooled flat-four from a Volkswagen Beetle or a Subaru boxer engine. Sure, a high-revving super bike motor probably isn't the most purist-minded power ...

None of this mattered to Kent-based Z-Cars, which reportedly built the example listed on Bring a Trailer.The shop plucked out the 1.0-liter four and packed the engine bay with a fuel cell, a ...

The Honda Monkey is cute and stylish, but is the mini-bike legal to ride on U.S. roads? And if it is street-legal, how fast ...

Mini-bikes of the past were cheap affairs never meant to go on actual roads. Today there is a market out there for fun-sized street-legal bikes.