Yamaha YZR M1 was unveiled in 2002 by highlighting better performance due it its 4 cylinders.Until making it win 7 seasons out of 18 seasons not counting the last 2 years that came.
2003
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
Source : MotoGP
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