This rugged 1975 Yamaha DT400 Enduro, manufactured in the heart of the '70s, is a classic two-stroke single with a five-speed transmission. Hailing from North Salem, New York, this yellow-hued bike boasts white and black accents along with silver fenders, and features 21-inch and 18-inch wire-spoke wheels, complemented by a black vinyl two-up seat and a high-mount expansion-chamber exhaust pipe.