Search results
Results from the WOW.Com Content Network
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.
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]
75–80 hp (56–60 kW) [4] Transmission: 6-speed: Weight < 100 kg (220 lb) [5] 2000 version of the YZR250 1983 version of the YZR250. The Yamaha YZR 250 was a 250 ...
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.
Kocinski at the 1990 Japanese Grand Prix. 1989 was also the year of his 500cc World Championship debut. In 1990 he raced in four different championships, but the highlight was winning the 250cc World Championship in his first full season on a Team Roberts Yamaha YZR250. [1]
The Yamaha YZ450F is a four-stroke racing motocross bike built by Yamaha Motor Corporation.It was the successor to the previous YZ426F which was discontinued in 2003. It is credited by Cycle World and Dirt Rider magazines as the bike that started the four-stroke dirt bike revolution.
Skip to main content
Schmit was an immediate success, winning the 1990 125cc world championship. [2] In 1991, Schmit was injured at the Hungarian Grand Prix, causing him to miss much of the remaining season. In 1992, Schmit rode for Chesterfield Yamaha, and won his second world title, along with five 250 GP wins. He rode for Chesterfield Yamaha for two seasons ...