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The Yamaha YZ125 is a motocross racing motorcycle with a two-stroke 124.9 cc (7.62 cu in) displacement single-cylinder engine made by Yamaha since 1974. It is ...
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]
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 ...
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 .
The Yamaha YZ250 is a two-stroke motocross race bike made by Yamaha. The model was launched in 1974, and has been regularly updated and is still in production with new releases every year. The model was launched in 1974, and has been regularly updated and is still in production with new releases every year.
Yamaha engineer Yoshiharu Nakayama first came up with the idea of creating the first competitive four-stroke race motocross bike. [6] The Yamaha YZ400F was developed to fit into this category. It solved the power dilemma by borrowing superbike technology and giving the YZ a five-valve head, liquid cooling and a 12.5-1 compression ratio.
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.
Two-stroke motorcycles are a type of internal combustion engine that completes a power cycle with two strokes of the piston during only one crankshaft revolution.