Description
Features:
- Forged Ti 6242 alloy ensuring optimum strength & weight
- CrN coated tip for excellent wear resistance between the shim & valve
- CNC machined dish for lightest weight design
- Optimized Radius & profile for enhanced air flow
- Runout & concentricity held to tight tolerances for improved valve to seat seal for higher cylinder pressures
- Stem diameter held to microns, featuring superior RA finish & CrN Thin Film coating for optimum wear & friction reduction
- Superior seat finish held to microns featuring CrN coating for extended wear and seal
Fitment
Yamaha WR450F 2003
Yamaha WR450F 2004
Yamaha WR450F 2005
Yamaha WR450F 2006
Yamaha WR450F 2007
Yamaha WR450F 2008
Yamaha WR450F 2009
Yamaha WR450F 2010
Yamaha WR450F 2011
Yamaha WR450F 2012
Yamaha WR450F 2013
Yamaha WR450F 2014
Yamaha WR450F 2015
Yamaha YFZ450 2004
Yamaha YFZ450 2005
Yamaha YFZ450 2006
Yamaha YFZ450 2007
Yamaha YFZ450 2008
Yamaha YFZ450 2009
Yamaha YFZ450 2012
Yamaha YFZ450 2013
Yamaha YFZ450 Bill Balance Edition 2006
Yamaha YFZ450 Bill Balance Edition 2007
Yamaha YFZ450 SE 2007
Yamaha YFZ450 SE 2008
Yamaha YFZ450R 2009
Yamaha YFZ450R 2010
Yamaha YFZ450R 2011
Yamaha YFZ450R 2012
Yamaha YFZ450R 2013
Yamaha YFZ450R 2014
Yamaha YFZ450R SE 2009
Yamaha YFZ450R SE 2010
Yamaha YFZ450R SE 2011
Yamaha YFZ450R SE 2012
Yamaha YFZ450R SE 2013
Yamaha YFZ450R SE 2014
Yamaha YFZ450X 2010
Yamaha YFZ450X 2011
Yamaha YFZ450X Bill Ballance 2010
Yamaha YFZ450X SE 2011
Yamaha YZ450F 2003
Yamaha YZ450F 2004
Yamaha YZ450F 2005
Yamaha YZ450F 2006
Yamaha YZ450F 2007
Yamaha YZ450F 2008
Yamaha YZ450F 2009
