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A straight-three engine (also called an inline-triple or inline-three) [1] [2] [3] is a three-cylinder piston engine where cylinders are arranged in a line along a common crankshaft. Less common than straight-four engine , straight-three engines have nonetheless been used in various motorcycles, cars and agricultural machinery.
The Yamaha XS750 and XS850 was a line of inline three cylinder motorcycles produced by the Yamaha Motor Corporation from 1976 to 1981 for the worldwide motorcycle market. It was publicly voted by readers as the 1977 Motorcycle News Machine of the Year, ousting the sitting-winner of four-years, the Kawasaki Z1 .
List of motorcycles by type of engine is a list of motorcycles by the type of motorcycle engine used by the vehicle, such as by the number of cylinders or configuration.. A transverse engine is an engine mounted in a vehicle so that the engine's crankshaft axis is perpendicular to the direction of travel.
The Yamaha R3 is an entry-level sport motorcycle in the same range as other 250–400 cc motorcycles like the Kawasaki Ninja 300, Honda CBR300R, and KTM 390 series. [9] [6] It has some design similarity to the R25, such as the engine.
The Yamaha MT-09 is a street motorcycle of the MT series with an 847–890 cc (51.7–54.3 cu in) liquid-cooled four-stroke 12-valve DOHC inline-three engine with crossplane crankshaft [1] [9] and a lightweight cast alloy frame. [5] For 2018, the bike is now designated MT-09 in all markets. [10]
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.
Yamaha XSR900 is a neo-retro [5] [6] standard Universal Japanese Motorcycle (UJM), [1] which uses an 847 cc (51.7 cu in) transverse inline-triple engine. Introduced in 2016, the XSR900 is derived from Yamaha 's MT-09 (known as FZ-09 in North America).
Inline twins, Japanese inline twins of the 1960s (such as the 1966 Honda “Black Bomber” and the Yamaha TX500) adopted a 180° crank that afforded perfect mechanical primary engine balance, but gave an unequal firing interval; 180 degrees, 540 degrees, 180 degrees, 540 degrees etc - due to one of the two pistons needing to be at top dead ...