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The new R1 took engine technology from the M1 MotoGP bike with its crossplane crankshaft, making the 2009 R1 the first production sports bike to use a crossplane crankshaft. [11] Power delivery is the same as with a 90° V4 with a 180° crank (such as the Honda VFR800 , and similar to the 65° V4 in the Yamaha V-Max [ 12 ] ).
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.
A Suzuki GSX-R1000 at a drag strip – a 2006 model once recorded a 0 to 60 mph time of 2.35 seconds. This is a list of street legal production motorcycles ranked by acceleration from a standing start, limited to 0 to 60 mph times of under 3.5 seconds, and 1 ⁄ 4-mile times of under 12 seconds.
The new team quickly built their own 4-stroke MotoGP racer with an engine based on the Yamaha YZF-R1 engine. [5] After initially talking with Regis Laconi, Steve Hislop, Jose Luis Cardano and Jay Vincent, [6] the team eventually announced Chris Burns and Ralf Waldmann as their riders for the upcoming 2003 season. [7]
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.
This configuration was first successfully introduced by Yamaha with the YZF-R1 model in 1998 and inspired superbike design in the following years. Positioning this compact engine farther forward in the chassis also increased front-end weight bias, an effective method of making high-powered liter bikes less wheelie prone under hard acceleration.
2002 was the first season that allowed 990 cc 4-strokes to be raced alongside 500 cc 2-strokes.In a change from their V-4 YZR500, Yamaha designed the YZR-M1 (for "Mission One") with an inline-4 engine because it was the format considered to have the best mutual balance with the frame. [2]
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