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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. In 2003 it received an aluminum subframe, which was replaced in the 2006 model with an all-aluminum frame.
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] YC-1 (1956) was the second bike manufactured by Yamaha; it was a 175 cc single cylinder two-stroke. [1] YD-1 (1957) Yamaha began production of its first 250 cc, two-stroke twin, the YD1. [1]
Having been discontinued in 1991 in favor of the Yamaha XT350, this model was reintroduced in 2008, replacing the Yamaha XT225, due to increased popularity of the 250 cc class. [4] The XT250 is branded the SEROW 250 in Japan. In 2013, the USA XT250 received a fuel-injected engine. In January 2020, Yamaha Japan released the Serow Final Model ...
The Yamaha WR250R is a dual-sport motorcycle made by Yamaha Motor Company. It has a 250cc (15 cu in) liquid-cooled single-cylinder four-stroke DOHC engine, fed premium fuel by electronic fuel injection. [3] It has remained largely unchanged since its introduction in 2008, with most differences being cosmetic. [4]
The Yamaha WR250F is an off-road motorcycle made by Yamaha Motor Company.It has a 250 cc (15 cu in) liquid-cooled single nikasil coated cylinder engine. First offered in 2001, it shared many components and design concepts with the YZ250F motocross model.
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 ...
Yamaha 250 V4 (RD05A) is an air-cooled road racing motorcycle made by Yamaha, produced between 1967 and 1968, and competed until 1972. [ 4 ] [ 5 ] [ 6 ] References
Yamaha TT-R225, Yamaha XT225 The Yamaha TT-R250 is an entry-level, trail bike that Yamaha produced from 1999 to 2006 [ 5 ] to compete with the Honda XR250R . The TT-R250 was equipped with electric start, [ 3 ] and was designed to be reliable and long-lived.
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