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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, discontinuing the little bike due to increasing emission requirements. This is its final year. [5] Yamaha US has continued the model unchanged. (For the origin of the name, see serow.)
White 2011 XTZ 250 Tenere. The Yamaha XTZ 250 is a dual-sport motorcycle designed and produced by Yamaha Motor do Brasil, starting in 2006.It is a variant of the XT250, which is marketed worldwide, and derives from the 1975 XT500 model, which established a successful range of dual-sport motorcycles, including the XT600 Ténéré, that greatly contributed to Yamaha's image.
These equations express the link lengths, L 1, L 2, and L 3, as a function of the stroke,(ΔR 4) max, the imbalance angle, β, and the angle of an arbitrary line M, θ M. Arbitrary line M is a designer-unique line that runs through the crank pivot point and the extreme retracted slider position.
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]
The Yamaha DT250 was preceded by the 1968 DT-1. The DT250 began production in 1971 and was produced through 1982. Other models produced in the DT250 group were the DT250F and DT250MX. [2] The DT250 was released three years earlier than the Yamaha DT125. The DT250 was one of the leading dual-sport machines in the 1970s. [3]
Often links are presented as geometric objects, such as lines, triangles or squares, that support schematic versions of the joints of the mechanism or machine. [1] For example, the figures show the kinematic diagrams (i) of the slider-crank that forms a piston and crank-shaft in an engine, and (ii) of the first three joints for a PUMA manipulator.
The bike became an instant success and was produced until 1981 when it was replaced by four-valve engines. It laid the ground for the later range of XT bikes ranging from 125 cc to the current 660 cc (Yamaha XT660Z Ténéré) and contributed largely to Yamaha's image. In France alone, 62,000 XT 500s were sold from 1976 to 1990.
The Yamaha XT225, or known in some markets as the Yamaha Serow (from the Japanese serow), was a dual-sport motorcycle produced by Yamaha from 1986 to 2007. The XT225 was preceded and superseded by the XT250. Power is supplied by a 223cc single-cylinder, air-cooled four-stroke engine featuring a SOHC and 2 valves. [1]