Features:
- Spring kit contains springs and titanium upper collars; lower collars included as required; spring kits are engineered for use with standard and oversized valves
- Spring kit comes complete for one motor
- Keepers are not included
- Made in the U.S.A.
- For stainless valves. Intake Installed Height: 1.150" Exhaust Installed Height: 1.100" Includes: • 2x Intake CrSi Valve Springs • 2x Exhaust CrSi Valve Springs • 2x Intake Titanium Retainers • 2x Exhaust Titanium Retainers • 2x Intake H.T. Steel Basewashers • 2x Exhaust H.T. Steel Basewashers
Fit the models:
| YAMAHA |
WR 250 X |
2009 |
| YAMAHA |
WR 250 X |
2008 |
| YAMAHA |
WR 250 X |
2010 |
| YAMAHA |
WR 250 X |
2011 |
| YAMAHA |
WR 250 X |
2012 |
| YAMAHA |
WR 250 X |
2013 |
| YAMAHA |
WR 250 X |
2014 |
| YAMAHA |
WR 250 X |
2015 |
| YAMAHA |
WR 250 X |
2016 |
| YAMAHA |
YZ 250 F |
2013 |
| YAMAHA |
YZ 250 F |
2012 |
| YAMAHA |
YZ 250 F |
2010 |
| YAMAHA |
YZ 250 F |
2011 |
| YAMAHA |
YZ 250 F |
2015 |
| YAMAHA |
YZ 250 F |
2014 |
| YAMAHA |
YZ 250 F |
2016 |
| YAMAHA |
YZ 250 F |
2001 |
| YAMAHA |
YZ 250 F |
2002 |
| YAMAHA |
YZ 250 F |
2003 |
| YAMAHA |
YZ 250 F |
2004 |
| YAMAHA |
YZ 250 F |
2005 |
| YAMAHA |
YZ 250 F |
2006 |
| YAMAHA |
YZ 250 F |
2008 |
| YAMAHA |
YZ 250 F |
2007 |
| YAMAHA |
YZ 250 F |
2009 |
| YAMAHA |
YZ 250 F |
2017 |
| YAMAHA |
YZ 250 F |
2018 |

Kibblewhite Precision Machining, Inc. (KPMI) is a U.S.-based manufacturer founded in 1939, specializing in high-performance valvetrain components for motorcycles and motorsports. Headquartered in Pacifica, California, KPMI is known for precision-engineered valves, springs, guides, and related parts, serving a global market including sportbikes, dirt bikes, and custom builds.
| Brand |
Model |
Year |
Name |
CC |
| YAMAHA |
WR |
2008 |
|
250 |
| YAMAHA |
WR |
2008 |
|
250 |
| YAMAHA |
WR |
2008 |
|
250 |
| YAMAHA |
WR |
2009 |
|
250 |
| YAMAHA |
WR |
2009 |
|
250 |
| YAMAHA |
WR |
2009 |
|
250 |
| YAMAHA |
WR |
2010 |
|
250 |
| YAMAHA |
WR |
2010 |
|
250 |
| YAMAHA |
WR |
2010 |
|
250 |
| YAMAHA |
YZ |
2001 |
|
250 |
| YAMAHA |
YZ |
2001 |
|
250 |
| YAMAHA |
YZ |
2002 |
|
250 |
| YAMAHA |
YZ |
2003 |
|
250 |
| YAMAHA |
YZ |
2002 |
|
250 |
| YAMAHA |
YZ |
2003 |
|
250 |
| YAMAHA |
YZ |
2004 |
|
250 |
| YAMAHA |
YZ |
2004 |
|
250 |
| YAMAHA |
YZ |
2005 |
|
250 |
| YAMAHA |
YZ |
2005 |
|
250 |
| YAMAHA |
YZ |
2006 |
|
250 |
| YAMAHA |
YZ |
2006 |
|
250 |
| YAMAHA |
YZ |
2007 |
|
250 |
| YAMAHA |
YZ |
2007 |
|
250 |
| YAMAHA |
YZ |
2008 |
|
250 |
| YAMAHA |
YZ |
2008 |
|
250 |
| YAMAHA |
YZ |
2009 |
|
250 |
| YAMAHA |
YZ |
2010 |
|
250 |
| YAMAHA |
YZ |
2009 |
|
250 |
| YAMAHA |
YZ |
2010 |
|
250 |
| YAMAHA |
YZ |
2006 |
50th Anniversary Limited Edition |
250 |
| YAMAHA |
YZ |
2011 |
|
250 |
| YAMAHA |
YZ |
2011 |
|
250 |
| YAMAHA |
WR |
2008 |
|
250 |
| YAMAHA |
WR |
2008 |
|
250 |
| YAMAHA |
WR |
2009 |
|
250 |
| YAMAHA |
WR |
2010 |
|
250 |
| YAMAHA |
WR |
2009 |
|
250 |
| YAMAHA |
WR |
2010 |
|
250 |
| YAMAHA |
WR |
2011 |
|
250 |
| YAMAHA |
WR |
2011 |
|
250 |
| YAMAHA |
WR |
2011 |
|
250 |
| YAMAHA |
WR |
2011 |
|
250 |
| YAMAHA |
WR |
2008 |
|
250 |
| YAMAHA |
WR |
2009 |
|
250 |
| YAMAHA |
WR |
2010 |
|
250 |
| YAMAHA |
WR |
2011 |
|
250 |
| YAMAHA |
WR |
2011 |
|
250 |
| YAMAHA |
YZ |
2011 |
|
250 |
| YAMAHA |
YZ |
2012 |
|
250 |
| YAMAHA |
YZ |
2012 |
|
250 |
| YAMAHA |
YZ |
2012 |
|
250 |
| YAMAHA |
WR |
2012 |
|
250 |
| YAMAHA |
YZ |
2006 |
|
250 |
| YAMAHA |
YZ |
2009 |
|
250 |
| YAMAHA |
YZ |
2010 |
|
250 |
| YAMAHA |
YZ |
2011 |
|
250 |
| YAMAHA |
WR |
2012 |
|
250 |
| YAMAHA |
WR |
2012 |
|
250 |
| YAMAHA |
WR |
2012 |
|
250 |
| YAMAHA |
WR |
2012 |
|
250 |
| YAMAHA |
YZ |
2007 |
|
250 |
| YAMAHA |
YZ |
2008 |
|
250 |
| YAMAHA |
WR |
2013 |
|
250 |
| YAMAHA |
YZ |
2013 |
|
250 |
| YAMAHA |
YZ |
2001 |
|
250 |
| YAMAHA |
YZ |
2002 |
|
250 |
| YAMAHA |
YZ |
2003 |
|
250 |
| YAMAHA |
YZ |
2004 |
|
250 |
| YAMAHA |
YZ |
2005 |
|
250 |
| YAMAHA |
YZ |
2006 |
50th Anniversary Limited Edition |
250 |
| YAMAHA |
YZ |
2001 |
|
250 |
| YAMAHA |
YZ |
2002 |
|
250 |
| YAMAHA |
YZ |
2003 |
|
250 |
| YAMAHA |
YZ |
2004 |
|
250 |
| YAMAHA |
YZ |
2005 |
|
250 |
| YAMAHA |
YZ |
2006 |
|
250 |
| YAMAHA |
YZ |
2007 |
|
250 |
| YAMAHA |
YZ |
2008 |
|
250 |
| YAMAHA |
YZ |
2009 |
|
250 |
| YAMAHA |
YZ |
2010 |
|
250 |
| YAMAHA |
YZ |
2012 |
|
250 |
| YAMAHA |
YZ |
2013 |
|
250 |
| YAMAHA |
WR |
2013 |
|
250 |
| YAMAHA |
YZ |
2013 |
|
250 |
| YAMAHA |
YZ |
2013 |
|
250 |
| YAMAHA |
WR |
2013 |
|
250 |
| YAMAHA |
WR |
2013 |
|
250 |
| YAMAHA |
YZ |
2014 |
|
250 |
| YAMAHA |
YZ |
2014 |
|
250 |
| YAMAHA |
YZ |
2014 |
|
250 |
| YAMAHA |
YZ |
2014 |
|
250 |
| YAMAHA |
WR |
2013 |
|
250 |
| YAMAHA |
WR |
2014 |
|
250 |
| YAMAHA |
WR |
2014 |
|
250 |
| YAMAHA |
WR |
2014 |
|
250 |
| YAMAHA |
WR |
2014 |
|
250 |
| YAMAHA |
WR |
2014 |
|
250 |
| YAMAHA |
YZ |
2015 |
|
250 |
| YAMAHA |
YZ |
2015 |
|
250 |
| YAMAHA |
YZ |
2015 |
|
250 |
| YAMAHA |
YZ |
2015 |
|
250 |
| YAMAHA |
WR |
2015 |
|
250 |
| YAMAHA |
WR |
2015 |
|
250 |
| YAMAHA |
WR |
2015 |
|
250 |
| YAMAHA |
YZ |
2016 |
|
250 |
| YAMAHA |
YZ |
2016 |
|
250 |
| YAMAHA |
YZ |
2016 |
|
250 |
| YAMAHA |
YZ |
2016 |
|
250 |
| YAMAHA |
YZ |
2016 |
|
250 |
| YAMAHA |
YZ |
2016 |
60th Anniversary |
250 |
| YAMAHA |
WR |
2016 |
|
250 |
| YAMAHA |
YZ |
2015 |
|
250 |
| YAMAHA |
WR |
2016 |
|
250 |
| YAMAHA |
WR |
2015 |
|
250 |
| YAMAHA |
WR |
2016 |
|
250 |
| YAMAHA |
YZ |
2016 |
|
250 |
| YAMAHA |
WR |
2015 |
|
250 |
| YAMAHA |
WR |
2016 |
|
250 |
| YAMAHA |
YZ |
2017 |
|
250 |
| YAMAHA |
YZ |
2017 |
|
250 |
| YAMAHA |
YZ |
2017 |
|
250 |
| YAMAHA |
YZ |
2017 |
|
250 |
| YAMAHA |
YZ |
2017 |
|
250 |
| YAMAHA |
WR |
2016 |
|
250 |
| YAMAHA |
YZ |
2017 |
|
250 |
| YAMAHA |
YZ |
2018 |
|
250 |
| YAMAHA |
YZ |
2018 |
|
250 |
| YAMAHA |
YZ |
2018 |
|
250 |
| YAMAHA |
YZ |
2018 |
|
250 |
| YAMAHA |
YZ |
2018 |
|
250 |
| YAMAHA |
WR |
2016 |
|
250 |