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A red and white version of the first Yamaha YZF-R1 model in 1998. Yamaha launched the YZF-R1 in 1998 after redesigning the Genesis engine to create a more compact engine by raising the gearbox input shaft and allowing the gearbox output shaft to be placed beneath it. This "stacked gearbox" was followed by other manufacturers.
This brought the bike up to date with modern rivals. The new model has a 150 bhp 998 cc (60.9 cu in) 20-valve DOHC engine from the 2004–2006 YZF-R1 tuned for better midrange torque, set in an all-new compact diamond-shaped aluminium frame. Most of this engine is identical to the YZF-R1.
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]
Kawasaki engineers used a stacked design for a liquid-cooled, 998 cc (60.9 cu in) inline four-cylinder engine. The crankshaft axis, input shaft, and output shaft of the Ninja ZX-10R engine are positioned in a triangular layout to reduce engine length, while the high-speed generator is placed behind the cylinder bank to reduce engine width.
In 1998 Yamaha marketed a 1000cc four cylinder road bike called the YZF 'R1', this model introduced a new style of gearbox design which shortened the overall length of the motor/gearbox case, to allow a more compact unit. This, in turn allowed the motor to be placed in the frame further forward, designed to improve handling in a short wheel ...
The Yamaha YZF1000R Thunderace was a motorcycle produced by Yamaha from 1996 until 2005. The YZF1000R was a stop-gap bike from the FZR1000 to the YZF-R1 and produced from existing parts bins. [4] [3] [permanent dead link ] The Thunderace five-valve four-cylinder engine was derived from the FZR1000, and the frame was adapted from the YZF750R. [5]
The 2004 R1 produces 172 hp at the crankshaft - WP:RS problem; giving it a theoretical 1:1 power-to-weight ratio - WP:RS problem; In 2006 the Yamaha R1 expanded its output to 175 hp - WP:RS problem; The 2006 model year for the R1 is groundbreaking - WP:NPOV problem; The 1985 FZ750 is an earlier example of Yamaha's the 5 valve engine design
The Yamaha YZF-R125 is a sport motorcycle designed by Yamaha and manufactured by MBK Industrie since 2008. In 2023 the model is in its fourth generation.