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  • Eliminates hesitation and bogging
  • Better holeshots
  • Provides instant response to throttle movements
  • Starts easier
  • Reduces hot engine stalling
  • Improves low end performance
  • Bolt-on product that requires no modification
  • New 2nd generation products use left hand adjusters

 
This item fits the following models:
 
Honda CRF150R 2007 - 2019
Honda CRF150R Expert 2007 - 2019
Honda CRF250R 2004 - 2009
Honda CRF250X 2004 - 2017
Honda CRF450R 2002 - 2008
Honda CRF450X 2005 - 2017
Kawasaki KX250F 2004 - 2010
Kawasaki KX450F 2006 - 2008
KTM 250 EXC 4-Stroke 2003 - 2005
KTM 250 SX-F 2005 - 2010
KTM 250 XC-F 2007 - 2009
KTM 250 XCF-W 2006 - 2011
KTM 450 SX-F 2003 - 2009
KTM 450 XC-F 2006 - 2009
KTM 505 SX-F 2008
KTM 505 XC-F 2008 - 2009
Suzuki RMZ250 2004 - 2009
Suzuki RMZ450 2005 - 2007
Yamaha WR250F 2001 - 2013
Yamaha WR400F 1998 - 2000
Yamaha WR426F 2001 - 2002
Yamaha WR450F 2003 - 2011
Yamaha YZ250F 2001 - 2013
Yamaha YZ400F 1998 - 1999
Yamaha YZ426F 2000 - 2002
Yamaha YZ450F 2003 - 2009