Description

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

Specifications

Compatibility

  • 2003-2007 Kawasaki KLX300R Base --.292cc
  • 1999-2007 Kawasaki KX250 Base --.249cc
  • 1998-2000 Yamaha WR400F Base --.399cc
  • 2001-2002 Yamaha WR426F Base --.426cc
  • 2003-2009 Yamaha WR450F Base --.449cc
  • 2011-2018 Yamaha WR450F Base --.449cc
  • 2019-2023 Yamaha WR450F Base --.450cc
  • 2001-2005 Yamaha YFM660R Raptor Base --.660cc
  • 2004-2009 Yamaha YFZ450 Base --.449cc
  • 2012-2013 Yamaha YFZ450 Base --.449cc
  • 1999-2023 Yamaha YZ250 Base --.249cc
  • 2016-2023 Yamaha YZ250X Base --.249cc
  • 1998-1999 Yamaha YZ400F Base --.398cc
  • 2000-2002 Yamaha YZ426F Base --.426cc
  • 2003-2013 Yamaha YZ450F Base --.449cc
  • 2016-2021 Yamaha YZ450F Base --.449cc
  • 2014-2015 Yamaha YZ450F Base --.450cc
  • 2022-2023 Yamaha YZ450F Base --.450cc
  • 2016-2021 Yamaha YZ450FX Base --.449cc
  • 2022-2023 Yamaha YZ450FX Base --.450cc

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

  • 2003-2007 Kawasaki KLX300R Base --.292cc
  • 1999-2007 Kawasaki KX250 Base --.249cc
  • 1998-2000 Yamaha WR400F Base --.399cc
  • 2001-2002 Yamaha WR426F Base --.426cc
  • 2003-2009 Yamaha WR450F Base --.449cc
  • 2011-2018 Yamaha WR450F Base --.449cc
  • 2019-2023 Yamaha WR450F Base --.450cc
  • 2001-2005 Yamaha YFM660R Raptor Base --.660cc
  • 2004-2009 Yamaha YFZ450 Base --.449cc
  • 2012-2013 Yamaha YFZ450 Base --.449cc
  • 1999-2023 Yamaha YZ250 Base --.249cc
  • 2016-2023 Yamaha YZ250X Base --.249cc
  • 1998-1999 Yamaha YZ400F Base --.398cc
  • 2000-2002 Yamaha YZ426F Base --.426cc
  • 2003-2013 Yamaha YZ450F Base --.449cc
  • 2016-2021 Yamaha YZ450F Base --.449cc
  • 2014-2015 Yamaha YZ450F Base --.450cc
  • 2022-2023 Yamaha YZ450F Base --.450cc
  • 2016-2021 Yamaha YZ450FX Base --.449cc
  • 2022-2023 Yamaha YZ450FX Base --.450cc

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