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The Yamaha YZF-R1, or simply R1, is a 998 cc (60.9 cu in) sports motorcycle made by Yamaha. It was first released in 1998, undergoing significant updates in 2000, 2002, 2004, 2006, 2007, 2009, 2015, [ 2 ] 2018 [ 3 ] and 2020.
The Genesis engine was also used in the Yamaha YZF-R1, FZX700, FZ750, and the USA-only FZ700. Other applications ranged from the Supersport YZF-R6 and YZF-R1 models, using electronic fuel injection with YCCT and YCCI, to the less extreme but still powerful Yamaha FZ6 (4 valve per cylinder) and FZ1 Fazer line, which had a simpler fuel injection ...
The 2009 Yamaha YZF-R1 motorcycle uses a crossplane crankshaft, employing a crank-speed balance shaft to counter the inherent rocking vibration (primary rocking couple) described above. This was inspired by Yamaha's M1 MotoGP racing models, which continue to use crossplane cranks to this date because of their significant inertial torque ...
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]
A big bang engine has an unconventional firing order designed so that some of the power strokes occur simultaneously or in close succession. This is achieved by changing the ignition timing , changing or re-timing the camshaft, and sometimes in combination with a change in crankpin angle.
1985 Yamaha FZ750 motorcycle with DOHC 20-valve straight-4 Yamaha "Genesis" engine. 1991-2010 Yamaha TDM and TRX parallel twin motorcycles with 5 valves per cylinder; 1998–2006 Yamaha YZF-R1 superbike with redesigned (more compact) "Genesis" engine. 2006 model delivered 180 bhp (134 kW; 182 PS) at 12,500 rpm (130.3 kW/liter).
2002 Yamaha FZS1000S Fazer. First generation models are known as the FZ1 in the United States and FZS1000 Fazer in Europe. They have tubular steel frames and modified YZF-R1 engines which are carbureted. The models were virtually unchanged over this period, except for colour options, the introduction of the FZS1000S which had a black engine ...
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]