Product description
The Kibblewhite C630 Valve Guide For Yamaha YZF250X Exhaust is part of the latest collection from Kibblewhite.
Features:
- Made in the USA
- Made from copper based C63000 nickel-aluminum bronze
- The 5% nickel content provides superior resistance to wear, and the approximately 80% copper content delivers outstanding heat conductivity
- Profiles are designed to have minimal effect on the airstream while maintaining critical cross sectional thickness in high temperature areas, which promotes high performance and endurance
Specifications:
- Application: Exhaust
- Inside Diameter Imperial: 0.2155"
- Inside Diameter: 0.2155"
- Material: C630 Bronze
- Outside Diameter Imperial: 0.4352"
- Outside Diameter: 0.4352"
- Product Name: Valve Guide
- Size Imperial: Standard
- Size: Standard
- Units: Each
To fit:
- YAMAHA YZ 250 FX 2015 American Models
- YAMAHA YZ 250 FX 2016 American Models
- YAMAHA YZ 250 FX 2017 American Models
- YAMAHA YZ 450 FX 2016 American Models
- YAMAHA YZ 450 FX 2017 American Models
- YAMAHA YZ 450 F 2010 American Models
- YAMAHA YZ 450 F 2010 European Models
- YAMAHA YZ 450 F 2011 American Models
- YAMAHA YZ 450 F 2011 European Models
- YAMAHA YZ 450 F 2012 American Models
- YAMAHA YZ 450 F 2012 European Models
- YAMAHA YZ 450 F 2013 American Models
- YAMAHA YZ 450 F 2013 European Models
- YAMAHA YZ 450 F 2014 American Models
- YAMAHA YZ 450 F 2014 European Models
- YAMAHA YZ 450 F 2015 American Models
- YAMAHA YZ 450 F 2015 European Models
- YAMAHA YZ 450 F 2016 60th Anniversary European Models
- YAMAHA YZ 450 F 2016 American Models
- YAMAHA YZ 450 F 2016 European Models
- YAMAHA YZ 450 F 2017 American Models
- YAMAHA YZ 450 F 2017 European Models
Manufacturer part number: 80-80780
View all Kibblewhite. View all Parts and spares.
Contents
Your package will include the following:
- 1 X Kibblewhite C630 Valve Guide For Yamaha YZF250X Exhaust
To fit:
- YAMAHA YZ 250 FX 2015 American Models
- YAMAHA YZ 250 FX 2016 American Models
- YAMAHA YZ 250 FX 2017 American Models
- YAMAHA YZ 450 FX 2016 American Models
- YAMAHA YZ 450 FX 2017 American Models
- YAMAHA YZ 450 F 2010 American Models
- YAMAHA YZ 450 F 2010 European Models
- YAMAHA YZ 450 F 2011 American Models
- YAMAHA YZ 450 F 2011 European Models
- YAMAHA YZ 450 F 2012 American Models
- YAMAHA YZ 450 F 2012 European Models
- YAMAHA YZ 450 F 2013 American Models
- YAMAHA YZ 450 F 2013 European Models
- YAMAHA YZ 450 F 2014 American Models
- YAMAHA YZ 450 F 2014 European Models
- YAMAHA YZ 450 F 2015 American Models
- YAMAHA YZ 450 F 2015 European Models
- YAMAHA YZ 450 F 2016 60th Anniversary European Models
- YAMAHA YZ 450 F 2016 American Models
- YAMAHA YZ 450 F 2016 European Models
- YAMAHA YZ 450 F 2017 American Models
- YAMAHA YZ 450 F 2017 European Models

Kibblewhite Precision Machining is a top-tier manufacturer of high performance valvetrain components for motorcycles, ATVs, and powersports engines. Known for engineering excellence and race proven reliability, Kibblewhite produces valves, springs, and guides used by professionals and enthusiasts alike. Their products are crafted in the USA for maximum strength, durability, and precision.
Product description
The Kibblewhite C630 Valve Guide For Yamaha YZF250X Exhaust is part of the latest collection from Kibblewhite.
Features:
- Made in the USA
- Made from copper based C63000 nickel-aluminum bronze
- The 5% nickel content provides superior resistance to wear, and the approximately 80% copper content delivers outstanding heat conductivity
- Profiles are designed to have minimal effect on the airstream while maintaining critical cross sectional thickness in high temperature areas, which promotes high performance and endurance
Specifications:
- Application: Exhaust
- Inside Diameter Imperial: 0.2155"
- Inside Diameter: 0.2155"
- Material: C630 Bronze
- Outside Diameter Imperial: 0.4352"
- Outside Diameter: 0.4352"
- Product Name: Valve Guide
- Size Imperial: Standard
- Size: Standard
- Units: Each
To fit:
- YAMAHA YZ 250 FX 2015 American Models
- YAMAHA YZ 250 FX 2016 American Models
- YAMAHA YZ 250 FX 2017 American Models
- YAMAHA YZ 450 FX 2016 American Models
- YAMAHA YZ 450 FX 2017 American Models
- YAMAHA YZ 450 F 2010 American Models
- YAMAHA YZ 450 F 2010 European Models
- YAMAHA YZ 450 F 2011 American Models
- YAMAHA YZ 450 F 2011 European Models
- YAMAHA YZ 450 F 2012 American Models
- YAMAHA YZ 450 F 2012 European Models
- YAMAHA YZ 450 F 2013 American Models
- YAMAHA YZ 450 F 2013 European Models
- YAMAHA YZ 450 F 2014 American Models
- YAMAHA YZ 450 F 2014 European Models
- YAMAHA YZ 450 F 2015 American Models
- YAMAHA YZ 450 F 2015 European Models
- YAMAHA YZ 450 F 2016 60th Anniversary European Models
- YAMAHA YZ 450 F 2016 American Models
- YAMAHA YZ 450 F 2016 European Models
- YAMAHA YZ 450 F 2017 American Models
- YAMAHA YZ 450 F 2017 European Models
Manufacturer part number: 80-80780
View all Kibblewhite. View all Parts and spares.
Contents
Your package will include the following:
- 1 X Kibblewhite C630 Valve Guide For Yamaha YZF250X Exhaust
To fit:
- YAMAHA YZ 250 FX 2015 American Models
- YAMAHA YZ 250 FX 2016 American Models
- YAMAHA YZ 250 FX 2017 American Models
- YAMAHA YZ 450 FX 2016 American Models
- YAMAHA YZ 450 FX 2017 American Models
- YAMAHA YZ 450 F 2010 American Models
- YAMAHA YZ 450 F 2010 European Models
- YAMAHA YZ 450 F 2011 American Models
- YAMAHA YZ 450 F 2011 European Models
- YAMAHA YZ 450 F 2012 American Models
- YAMAHA YZ 450 F 2012 European Models
- YAMAHA YZ 450 F 2013 American Models
- YAMAHA YZ 450 F 2013 European Models
- YAMAHA YZ 450 F 2014 American Models
- YAMAHA YZ 450 F 2014 European Models
- YAMAHA YZ 450 F 2015 American Models
- YAMAHA YZ 450 F 2015 European Models
- YAMAHA YZ 450 F 2016 60th Anniversary European Models
- YAMAHA YZ 450 F 2016 American Models
- YAMAHA YZ 450 F 2016 European Models
- YAMAHA YZ 450 F 2017 American Models
- YAMAHA YZ 450 F 2017 European Models

Kibblewhite Precision Machining is a top-tier manufacturer of high performance valvetrain components for motorcycles, ATVs, and powersports engines. Known for engineering excellence and race proven reliability, Kibblewhite produces valves, springs, and guides used by professionals and enthusiasts alike. Their products are crafted in the USA for maximum strength, durability, and precision.































