page_title: List of Yamaha motorcycles
section_title: First bikes
hierarchical_section_title: List of Yamaha motorcycles / First bikes
caption_attribution_description: First Yamaha Yamaha YA-1 @ 2005 Tokyo Motor Show
context_page_description: List of motorcycles manufactured by Yamaha Motor Company.
context_section_description: YA-1 built August 1954, produced January 1955. The first bike manufactured by Yamaha was actually a copy of the German DKW RT 125; it had an air-cooled, two-stroke, single cylinder 125 cc engine
  YC-1 (1956) was the second bike manufactured by Yamaha; it was a 175 cc single cylinder two-stroke.
  YD-1 (1957) Yamaha began production of its first 250 cc, two-stroke twin, the YD1.
  MF-1 (1958) 50 cc, two-stroke, single cylinder, step through street bike
  YDS-3 (1964) 246 cc, two-stroke, parallel-twin, it used the world's first oil injection lubrication system in a 2-stroke engine.
  DT-1 (1968) Yamaha's first true off-road motorcycle.
  XS-1 (1970) Yamaha's first four-stroke engine motorcycle (650 cc twin).
  Yamaha YZ Monocross (1975) First production motocross bike with a single rear shock.
  Yamaha YZ400F (1998) First mass-produced four-stroke motocross motorcycle.
caption: Yamaha YA-1
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