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The YZ125 has a 124 cc (7.6 cu in) reed valve-inducted two-stroke engine. It was air cooled from 1974 to 1980, and liquid cooled since 1981. It has a Mikuni 38 mm TMX series carburetor. [6] The engine produces 35 hp (26 kW). [1] The YZ125 has been built with five- or six-speed manual sequential gearbox depending on model year.
Yamaha entered the ATC market in 1980, after paying patent-right to Honda to produce their own version of the All Terrain Cycle. Starting modestly with a 125cc recreational ATC that would remain the foundation of their line through 1985, the YT125 featured a 2 stoke engine with sealed airbox with snorkel intake, an autolube oil injection system, and featured a narrow tunnel above the engine ...
In the United States, statistics released by the Consumer Product Safety Commission (CPSC) show that in 2016-2020, an estimated 526,900 emergency department treated injuries were associated with off-highway vehicles (an annual average of 105,400), and up to half of these injuries involved children and youth under age 25.
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]
Yamaha Y125Z or better known as Yamaha Z (in Europe, Thailand and Vietnam) is a 125 cc two-stroke moped or underbone motorcycle produced by Yamaha.Debuted in 1998 as a successor of Yamaha Y110SS, the Y125Z was the first two-stroke underbone motorcycle with an YEIS catalytic converter.
Jet Aggressor aircraft/research and development Manned 1983 [5] 4 [19] Although officially retired in 2008, the aircraft has been involved in various exercises beginning around 2020. [5] The Air Force possesses 45 F-117s, some in flyable condition, As of 2023. The Air Force plans to operate the type through 2034. [39] F-15C/D Eagle: McDonnell ...
This article lists orbital and suborbital launches during the second half of the year 2021, including launches planned for 2021 without a specific launch date. For all other spaceflight activities, see 2021 in spaceflight. For launches in the first half of 2021, see List of spaceflight launches in January–June 2021.