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 |
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