MX-series steel front sprockets are manufactured to exacting tolerances and designed with special self-cleaning grooves for added life and performance. Made from the best chromoly steel and fully heat-treated for maximum durability, the MX range of front sprockets are designed for champions.
Fits:

Yamaha TTR230A 2011, Yamaha TTR230B 2012, Yamaha TTR230D 2013, Yamaha TTR230E 2014, Yamaha TTR230F 2015, Yamaha TTR230G 2016, Yamaha TTR230H 2017, Yamaha TTR230K 2019, Yamaha TTR230L 2020, Yamaha TTR230M 2021, Yamaha TTR230N 2022, Yamaha TTR230T 2005, Yamaha TTR230V 2006, Yamaha TTR230W 2007, Yamaha TTR230X 2008, Yamaha TTR230Y 2009, Yamaha TTR230Z 2010, Yamaha WR400F L 1999, Yamaha WR400F M 2000, Yamaha YZ125 2009, Yamaha YZ125 2010, Yamaha YZ125 2011, Yamaha YZ125 2012, Yamaha YZ125 2013, Yamaha YZ125 2014, Yamaha YZ125 2015, Yamaha YZ125 2016, Yamaha YZ125 2022, Yamaha YZ125 Monster 2022, Yamaha YZ250 2002, Yamaha YZ250 2003, Yamaha YZ250 2004, Yamaha YZ250 2005, Yamaha YZ250 2006, Yamaha YZ250 2007, Yamaha YZ250 2008, Yamaha YZ250 2009, Yamaha YZ250 2010, Yamaha YZ250 2011, Yamaha YZ250 2012, Yamaha YZ250 2013, Yamaha YZ250 2014, Yamaha YZ250 2015, Yamaha YZ250 2016, Yamaha YZ250 2017, Yamaha YZ250 2018, Yamaha YZ250 2019, Yamaha YZ250 2020, Yamaha YZ250 2021, Yamaha YZ250 2022, Yamaha YZ250 Monster 2022, Yamaha YZ250F 2005, Yamaha YZ250F 2006, Yamaha YZ250F 2007, Yamaha YZ250F 2008, Yamaha YZ250F 2009, Yamaha YZ250F 2010, Yamaha YZ250F 2011, Yamaha YZ250F 2012, Yamaha YZ400F 1999, Yamaha YZ400F 2000, Yamaha YZ426F 2002, Yamaha YZ450F 2003, Yamaha YZ450F 2004, Yamaha YZ450F 2005, Yamaha YZ450F 2006, Yamaha YZ450F 2007, Yamaha YZ450F 2008, Yamaha YZ450F 2009, Yamaha YZ450F 2010, Yamaha YZ450F 2011, Yamaha YZ450F 2012, Yamaha YZ450F 2013, Yamaha YZ450F 2014, Yamaha YZ450F 2015, Yamaha YZ450F 2016, Yamaha YZ450F 2017, Yamaha YZ450F 2019, Yamaha YZ450F 2020, Yamaha YZ450F 2021, Yamaha YZ450F 2022, Yamaha YZ450F Monster 2022