Released in the early 1980s, the Honda CB250 Nighthawk quickly became an immensely popular model for the Japanese marque. That was largely thanks to the quarter-liter parallel twin’s maneuverability, utilitarian nature, and bullet-proof reliability. Despite al its strong suits, the chopper-inspired CB250 has never been much of a looker. But that didn’t stop Mike and Tom of Greece’s Urban Mechanics from recognizing the little CB’s potential for customization, and putting the Honda up on the…