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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 ...
Ford and Yamaha also developed the Zetec-SE branded 4-cylinder engines used in several Ford cars like the small sports car Ford Puma. From 2005 to 2010, Yamaha produced a 4.4 Litre V8 for Volvo . The B8444S engines were used in the XC90 and S80 models, whilst also adapted to 5.0L configuration for Volvo's foray into the V8 Supercars with the S60 .
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.
YDS-3 (1964) 246 cc, two-stroke, parallel-twin, it used the world's first oil injection lubrication system in a 2-stroke engine. [2] DT-1 (1968) Yamaha's first true off-road motorcycle. [1] XS-1 (1970) Yamaha's first four-stroke engine motorcycle (650 cc twin). [3] YZ Monocross (1975) First production motocross bike with a single rear shock. [3]
Heather Graham is running hot on a New Year's vacation!. The actress, who will celebrate her 55th birthday later this month, rung in 2025 on Instagram as she posed in a navy-blue bikini in a hot ...
Israel blew up an Iran sponsored Syrian missile factory after its elite commandos raided it last September. The missiles posed an existential threat to Israel amid its war against Tehran's proxies.
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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.