According to the data provided by the manufacturer, this item is compatible with the following makes, models and years: COMPATIBLE WITH YAMAHA YZ 450 F (CJ10) 450 2007-2009 COMPATIBLE WITH YAMAHA YZ 450 F (CJ15) 450 2010-2013 COMPATIBLE WITH YAMAHA YZ 450 F (CJ21) 450 2016-2017 COMPATIBLE WITH YAMAHA YZ 450 F (CJ22) 450 2018 COMPATIBLE WITH YAMAHA YZ 450 F (CJ23) 450 2019