Specification & Technical Data. Model and Part Number Compatibility. Yamaha XT 660 R 2004 Yamaha XT 660 R 2005 Yamaha XT 660 R 2005 Yamaha XT 660 R 2006 Yamaha XT 660 R 2006 Yamaha XT 660 R 2007 Yamaha XT 660 R 2007 Yamaha XT 660 R 2008 Yamaha XT 660 R 2008 Yamaha XT 660 R 2009 Yamaha XT 660 R 2010 Yamaha XT 660 R 2011 Yamaha XT 660 R 2012 Yamaha XT 660 R 2013 Yamaha XT 660 R 2014 Yamaha XT 660 R 2015 Yamaha XT 660 R 2016 Ref:773.09.82.