1966 Yamaha YL1 Twin Jet 100

Sold for $409 brand new in 1966, the Yamaha YL-1 Twin Jet was the top selling 2-stroke in the United States at the time. It had double everything: two cylinders, two carburators, two exhaust pipes. Great handling excited motorcyclists and sports car enthusiasts alike. Although the Twin Jet is a 100cc bike, it was bred…