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The Yamaha YM1 is a motorcycle produced by Yamaha from 1964 to 1966. It used a 305 cc 2-stroke engine. It used a 305 cc 2-stroke engine. It shared common parts with the 246 cc YDS3 and was virtually identical in all respects with the exception of bore and stroke .
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 Genesis engine first appeared on the 1985 Yamaha FZ750 and was later used on a variety of motorcycles for different kinds of markets. The design was used for parallel-twins (such as the TDM and the TRX) as well as for four-cylinder models. Both fours and twins had the cylinder block slanted forwards 45 degrees.
An example of this arrangement was used on the 1953-1969 Puch 250 SGS. Early engines using a "side-by-side" layout (with the carburetor in the "normal" place behind the cylinder) had similar lubrication and pollution problems to conventional two-stroke engines of the era, however the revised designs after World War II addressed these problems.
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 .
Yamaha YA-1 at the Tokyo Motor Show in 2005. In the early-1950s, Yamaha had to replace its musical instrument factories as they were severely damaged during the war. Yamaha was also facing the industrial conversion of factory machine tools that had been used during the war for the production of fuel tanks, wing parts, and propellers for aircraft of the Imperial Japanese Navy, such as the ...
A straight-twin engine, also known as an inline-twin, vertical-twin, inline-2, or parallel-twin, is a two-cylinder piston engine whose cylinders are arranged in a line along a common crankshaft. Straight-twin engines are primarily used in motorcycles; other uses include automobiles, marine vessels, snowmobiles, jet skis , all-terrain vehicles ...
Already previewed in the competitions of the second half of 1966, in 1967 the last of the "RA" series was officially launched, the RA31, with a four-cylinder V engine with two crankshafts, connected to each other by means of a gear. where the cylinders are liquid-cooled and with a useful arc of use of the engine ranging from 15,000 to 17,000 rpm.