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The original YZ250 of 1974 used an air-cooled 250cc two-stroke engine of 70 mm bore and a 64 mm stroke, which was improved semi-annually. The air-cooled motor was replaced in 1982 with a 249 cc liquid-cooled two-stroke reed-valved engine with a mechanical, rather than servo-driven, YPVS exhaust valve for a wider spread of power. Although other ...
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Yamaha YA-1. 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 [1]
In 1996, Emig returned to the Kawasaki team and had one of his best seasons in 1997. In the 13 round series he won seven races, finished second five times, and had one fifth-place finish. [1] He won 17 of the 26 motos that year claiming the 250cc motocross national championship as well as the 250cc supercross championship. [1]
The Yamaha YZ250F is a motocross motorcycle first released in 2001 by Yamaha.It features a DOHC, four-stroke engine and initially had a steel frame and subframe in 2001–2002.
USA Today front page wall art. World Series MVP Freddie Freeman earned his own commemorative cover with 12 RBI in the World Series, including the first walk-off grand slam in World Series history ...
Washington Capitals and Wizards owner Ted Leonsis, NBA Commissioner Adam Silver, District of Columbia Mayor Muriel Bowser and other officials celebrated the start of an $800 million downtown arena ...
He accepted the offer. While he raced and led the early part of the 1997 Supercross season on a YZ250, Henry complications from a hand injury forced him to withdraw during the middle of the series. He came back riding the four-stroke full-time, and posted top-5 finishes at the first few Nationals, which was unprecedented for a four-stroke machine.