ORIGINS
The Yamaha Motor Corporation, Ltd., began on July 1, 1955, is a major part of the entire Yamaha group,
but is a separately managed business entity from the Yamaha Corporation. The Yamaha Motor Corporation
is the second largest manufacturer of motorcycles in the world. Yamaha Motor Corporation owns its
wholly-owned subsidiary in the U.S. called Yamaha Motor Corporation, USA, that is handling not only
motorcycles, but also snow mobiles, golf carts, outboard engines, and water vehicles, under the brand
name of Yamaha as well.

In 1954 production of the first motorcycles began, a simple 125cc single-cylinder two-stroke. It was a copy
of the German DKW design, which the British BSA Company had also copied in the post-war era and
manufactured as the Bantam.

The first Yamaha, the YAI, known to Japanese enthusiasts as Akatombo, the "Red Dragonfly", established a
reputation as a well-built and reliable machine. Racing successes helped boost its popularity and a second
machine, the 175cc YCI was soon in production.



















The first Yamaha-designed motorcycle was the twin-cylinder YDI produced in 1957. The racing version,
producing 20bhp, won the Mount Asama race that year. Production was still modest at 15,811 motorcycle,
far less than Honda or Suzuki.

The company grew rapidly over the next three years and in 1959 introduced the first sports model to be
offered by a Japanese factory, the twin-cylinder YDSI with five-speed gearbox. Owners who wanted to
compete in road racing or motocross could buy kits to convert the machine for both road and motocross
racing.

By 1960 production had increased 600% to 138,000 motorcycles. In Japan a period of recession followed
during which Yamaha, and the other major Japanese manufacturers, increased their exports so that they
would not be so dependent on the home market.

To help boost export sales, Yamaha sent a team to the European Grand Prix in 1961, but it was not until the
1963 season that results were achieved.

After the Korean War the American economy was booming and Japanese exports were increasing. In 1962
Yamaha exported 12,000 motorcycles. The next year it was 36,000 and in 1964 production rose to 87,000.

In 1963 Yamaha had produced a small batch of 250CC road racing motorcycles for sale, the air-cooled,
twin-cylinder TDI. Ever since then Yamaha has built and sold motorcycles that could be raced successfully
"straight out of the crate", and as a consequence Yamaha machines have won more road races than any
other make, exposing Yamaha to a good deal of publicity.

By 1965 production was 244,000 units, split about 50/50 between home and export sales. One of the
biggest drawbacks to the sales of two-strokes was that the rider had to mix oil with their gas. Yamaha
technicians accomplished a major technical feat by the development and introduction of a new Autolube
system.

Basically an oil tank that fed lubricant to a pump that metered oil to the big ends, main bearings and
cylinder barrels. It proved very reliable and did away with mixing oil and gas at every fill up.

The first overseas factory was opened in Siam in 1966 to supply Southeast Asia. In 1967 Yamaha
production surpassed that of Suzuki by 4,000 at 406,000 units. Yamaha established a lead with the
introduction of the first true trail bike "the 250cc single-cylinder DTI". The company also developed a
two-liter, six-cylinder, double overhead-camshaft sports car unit for Toyota Motor. Which proved helpful
when Yamaha produced their own high-performance four-stroke motorcycles.

The world's first production off-road motorcycle debuted in 1968 to create an entirely new genre we
know today as trail bikes. The DT-1 made a huge impact on motorcycling because it was truly dirt worthy.

















In 1969 Yamaha build a full size road racing circuit near their main factory at Iwata.
















By 1970 the number of models had expanded to 20 ranging from 50cc to 350cc, with production up to
574,000 machines, 60% of which were for export. That year Yamaha broke their two-stroke tradition by
launching their first four-stroke motorcycle, the 650cc XSI vertical twin modeled on the famous Triumph
twins.

Yamaha realized the long-term potential of the two-stroke engine and continued to develop two-stroke
bikes, concentrating on engines 400cc and under.

In 1973 production topped one million (1,000,000) motorcycles per year for the first time, leaving Suzuki
way behind at 642,000 and catching up on Honda's 1,836,000. During the 1970's Yamaha technicians
concentrated on development of four-stroke models that were designed to pass the ever-increasing
exhaust emission laws and to be more economical than the two-strokes that had made Yamaha's fortune.

Over the years Yamaha produced some less successful motorcycles:

The TX750 twin of 1972.
The TX500 double overhead-camshaft, four-valve per cylinder, twin of 1973.
The XS750 shaft-drive, double overhead-camshaft, three cylinder of 1976.
And the XS Eleven, four-cylinder of 1977, was at the time the biggest bike produced by a Japanese
manufacturer.
Other four-strokes were more successful, notably, the XT500 single-cylinder trail bike
and the copy of the Triumph 650cc, the xs650c of 1976.



















In the 70's the RD twin cylinder sports models were a big success as well as the RD250LC and RD350LC
water-cooled versions that replaced them in the eighties which were based on the famous TZ race bikes.

Production in 1980 was 2,214,000, with export sales of 1,383,000. In the 1980's the company introduced
the compact XJ four cylinder models, ranging from 550cc to 1100cc. Not wanting to miss anything the
company also introduced the 750cc and 1000cc air-cooled V-twin models followed by the XZ550
water-cooled, mid-weight sports bike.

http://www.smokeriders.com

In 1994 Yamaha announced the creation of Star Motorcycles, a new standalone brand name for its cruiser
series of motorcycles in the American market. Although a separate brand, Star motorcycles will continue to
be sold at Yamaha dealerships. In other markets the same bikes will still be sold as Yamahas. In 2006 The
brand was expanded to being its own company, although Yamaha still handles production and distribution.
The brand is operated out of the Yamaha America offices in Cypress California; the motorcycles are
designed in the United States.

http://en.wikipedia.org/wiki/Yamaha
http://www.yamaha-motor.com
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