1955 YA-1 - Communication Plaza | Yamaha Motor Co., Ltd.
Yamaha Motor - 1955 Yamaha YA1 Akatombo "Red Dragonfly" — Yamaha's first motorcycle. At a time when motorcycle design was dominated by imposing all-black styling, the YA-1 with its simple form and
YA-1″ motorcycle | History | GK Design Group
1957 Yamaha YA1 “Akatombo” - RMD Motors
THE FIRST YAMAHA: 1955 YAMAHA YA-1 RED DRAGONFLY - Australian Motorcycle News