Race Spec (RS) Front Sprockets are CNC machined and internally broached to precise tolerances from case-hardened, core-refined chromoly steel. Computer engineering ensures precise fitment, optimal weight savings and perfect balance. The result is minimal chain drag, maximum horsepower, and uncompromising strength. A proprietary coating further reduces wear and corrosion, yielding a front sprocket unparalleled in the market

This Part Fits:

Year	Make	Model	Submodel
2003-2007	Kawasaki	KLX300R	Base
1999-2007	Kawasaki	KX250	Base
1998-2000	Yamaha	WR400F	Base
2001-2002	Yamaha	WR426F	Base
2003-2009,2011-2023	Yamaha	WR450F	Base
2001-2005	Yamaha	YFM660R Raptor	Base
2004-2009,2012-2013	Yamaha	YFZ450	Base
1999-2023	Yamaha	YZ250	Base
2016-2023	Yamaha	YZ250X	Base
1998-1999	Yamaha	YZ400F	Base
2000-2002	Yamaha	YZ426F	Base
2003-2023	Yamaha	YZ450F	Base
2016-2023	Yamaha	YZ450FX	Base