I found a baby 1st gen parked outside a store today. I had never seen one before. It turned out to be a Yamaha Vision. I googled the model and it is a 550 V-twin. But it sure lookd like a V-4 with two pipes coming off the front cylinder. I didn't examine it closely. Nice looking bike.
http://en.wikipedia.org/wiki/Yamaha_XZ_550