Yamaha YFZ 450 Parts — ATV & Quad

Prox Steel Exhaust Valve/Spring Kit Prox is offering a wide range of titanium into steel conversion kits. The ProX titanium into steel extends 3 times the lifespan up the OEM titanium valves. The kits contain a set of steel intake or exhaust valves plus a set of special designed stronger valve springs. due to the extra weight of the steel valve a heavier valve spring must be used! The ProX kit just replaces the OEM valves & valve springs and can be installed using the OEM retainers, bases and valve seats. Yamaha YFZ450 (2004-2009), Yamaha YZ450F (2003-2009), Yamaha WR450F (2003-2015), Yamaha YFZ450R (2009-2015), Gas-Gas EC450F (2013-2015), PROX 28.SES2424-1 Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years GAS-GAS EC F 450 2013-2015 YAMAHA YZ F 450 2003-2009 YAMAHA WR F 450 2003-2015 YAMAHA YFZ 450 2004-2009 Yamaha YFZ R 450 2009-2025

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This standard exhaust valve guide is made from C674 manganese bronze and is designed for a range of Yamaha applications including WR, YZ, and YFZ 450 models. Engineered for affordability and ease of machining, it provides precise fitment with reduced wear resistance compared to C630 bronze. Featuring a standard outside diameter of 0.3957", it is optimised for exhaust valve use. Features Made from C674 manganese bronze Designed for exhaust valve applications Standard guide diameter: 0.3957" Easily machinable using standard tools Maintains precise KPMI® tolerances for fit and function Specifications A: 0.350" (8.89 mm) B: 0.385" (9.78 mm) C: 0.510" (12.96 mm) D: 0.680" (17.28 mm) E: 0.430" (10.93 mm) F: 0.1961" (4.98 mm) G: 0.3957" (10.05 mm) Cross-Reference OEM Part Numbers Part No. 65-940+000 Kibblewhite #80-80230 Vehicle Fitments Yamaha YFZ450 2004–2009 Yamaha YFZ450X 2008–2011 Yamaha YFZ450R 2009–2019 Yamaha YFZ450SE 2010–2019 Yamaha WR450 2003–2015 Yamaha YZ450F 2003–2009 Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years YAMAHA YZ F 450 2003-2009 YAMAHA YFZ 450 2004-2009 YAMAHA YFZ R 450 2009-2019 YAMAHA YFZ X 450 2008-2011 YAMAHA WR F 450 2003-2013

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Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years YAMAHA YZ F 450 2003-2009 YAMAHA YFZ 450 2004-2009 YAMAHA YFZ R 450 2009-2019 YAMAHA YFZ X 450 2008-2011 YAMAHA WR F 450 2003-2013

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PSYCHIC Intake Valve XU-09521I Manufacturer: PSYCHIC Product Name: Intake Valve Part No.: XU-09521I Size: 27x4.48x76.3mm Construction: Forged one-piece Coating: Nitride coating Features: Modified radius for improved performance Swirl polish for reduced friction Chromed stems for durability Stellite tips for extended valve life Sold: Each Replaces OEM #: 5TA-12111-00-00 Applications: Yamaha YZF450: 2003-2009 WRF450: 2003-2015 YFZ450: 2004-2008 YFZ450R/X: 2009-2015 GAS GAS ???????EC450-F: 2013-2015 Description: The PSYCHIC Intake Valve XU-09521I is designed for high-performance applications, featuring a forged one-piece construction, nitride coating, modified radius, swirl polish, chromed stems, and stellite tips. These features work together to reduce friction, allowing for quicker and higher revs, while also extending the valve life. This intake valve is a direct replacement for OEM part number 5TA-12111-00-00 and is compatible with various Yamaha and GAS GAS models listed above. Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years GAS-GAS EC F 450 2013-2015 YAMAHA YZ F 450 2003-2009 YAMAHA WR F 450 2003-2015 YAMAHA YFZ X 450 2010-2011 YAMAHA YFZ R 450 2009-2020 YAMAHA WR F 450 2003-2020 YAMAHA YFZ 450 2004-2009 YAMAHA YFZ R 450 2009-2019 YAMAHA YFZ 450 2017

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This center intake valve is a standard replacement for various Yamaha off-road motorcycles and ATVs, including YFZ450 and YZ450F models. Manufactured from high-grade White Diamond® stainless steel and fully CNC machined, it provides excellent resistance to heat and corrosion. Hard chromed for optimal durability, it is designed to be used with Kibblewhite® valve spring kits for reliable performance. Features One-piece forging from EV8 Stainless Steel Full CNC machining for precision fit and finish 360-degree hard chrome coating for wear and corrosion resistance Designed for use with Kibblewhite® valve spring kits Specifications Valve Type: Intake (Center) Material: White Diamond® Stainless Coating: Hard Chrome Quantity: 1 Head Diameter: 27.00 mm / 1.063" Stem Diameter: 4.50 mm / 0.1765" Tulip: 15º Overall Length: 76.20 mm / 3.000" Remarks: Standard (Center) Cross-Reference OEM Part Numbers Kibblewhite 80-80215H PSYCHIC XU-09521I Wiseco VIT08C Vertex 8400008-3 Yamaha 5TA-12111-00-00 Vehicle Fitments Yamaha YFZ450 (2004–2009) Yamaha YFZ450X (2008–2011) Yamaha YFZ450R (2009–2020) Yamaha YFZ450SE (2010–2020) Yamaha WR450 (2003–2015) Yamaha YZ450F (2003–2009) Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years YAMAHA YZ F 450 2003-2009 YAMAHA WR F 450 2003-2015 YAMAHA YFZ X 450 2010-2011 YAMAHA YFZ R 450 2009-2020 YAMAHA YFZ 450 2004-2009 YAMAHA YFZ R 450 2009-2019 YAMAHA YFZ 450 2017

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Part No. 65-426.WI.TI (radhouse.co.uk) Yamaha YZF450 2003-2009, WRF450 2003-2011, INTAKE Standard Valve WISECO VIT008, TITANIUM, Head Diameter 27.00mm / 1.063 inc. Stem Diameter 4.50mm / 0.1765 inc. Stem Overal Lenght 77.20mm. Cross reference numbers. 5TA-12112-00-00, Kibblewhite # 80-80213H, XU-09524I, WISECO VIT008, VERTEX 8400008-2, 2004 YFZ450 - YFZ450S VALVE 2004 YFZ450 LIMITED EDITION - YFZ450LES VALVE 2004 YZF450 LIMITED ED. (BLACK METALLIC C) - YFZ450LES VALVE 2005 YFZ450 - YFZ450T VALVE 2005 YFZ450 SPECIAL EDITION - YFZ450SET VALVE 2006 YFZ450 - YFZ450V VALVE Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years GAS-GAS EC F 450 2013-2015 YAMAHA YZ F 450 2003-2009 YAMAHA WR F 450 2003-2015 YAMAHA YFZ X 450 2010-2011 YAMAHA YFZ R 450 2009-2020 YAMAHA YFZ 450 2004-2009 YAMAHA YFZ R 450 2009-2019 YAMAHA YFZ 450 2017 YAMAHA YFZ X 450 2008-2011 YAMAHA YFZ SE 450 2010-2019

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TITANIUM Hi-Performance Racing Valve INTAKE Size. Head Diameter 27.00mm, Stem Diameter 4.5, Length 77.20mm, Prox offers steel and titanium engine valves as well as titanium into steel conversion kits. The ProX titanium valves are manufactured to high quality standards. high tech Ti3al alloy is forged in one-piece for extra strength while the material offers superior material properties at high temperatures the additional CrN coating offers extreme surface hardness and creates considerably lower friction.The ProX titanium valves do exceed OE specifications in dimensions and reliability. The ProX steel valves are manufactured of premium grade steel to exact OEM specifications and tolerances. The steel valves are made by the leading OEM factories in Japan and are a direct and cost-efficient OEM replacement. Yamaha YFZ450 (2004-2009), Yamaha YZ450F (2003-2009), Yamaha WR450F (2003-2015), Yamaha YFZ450R (2009-2015), Gas-Gas EC450F (2013-2015), Gas-Gas EC450F (2013-2015) PROX 28.2423-3 Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years GAS-GAS EC F 450 2013-2015 YAMAHA YZ F 450 2003-2009 YAMAHA WR F 450 2003-2015 YAMAHA YFZ 450 2004-2009 Yamaha YFZ R 450 2009-2025

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PSYCHIC Intake Valve XU-09524I SIZE: 27x4.9x77.2mm Features a forged one-piece construction, nitride coating, modified radius, swirl polish, chromed stems, and stellite tips. This provides reduced friction for quicker/higher revs and a longer valve life. Replaces OEM# 5TA-12112-00-00 Sold each Application: YAMAHA YZ 450 F 2003-2009 YAMAHA WR 450 F 2003-2018 YAMAHA YFZ 450 2004-2008 YAMAHA YFZ 450 R/X 2009-20015 Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years GAS-GAS EC F 450 2013-2015 YAMAHA YZ F 450 2003-2009 YAMAHA WR F 450 2003-2015 YAMAHA YFZ X 450 2010-2011 YAMAHA YFZ R 450 2009-2020 YAMAHA WR F 450 2003-2020 YAMAHA YFZ 450 2004-2009 YAMAHA YFZ R 450 2009-2019 YAMAHA YFZ 450 2017 YAMAHA YFZ X 450 2008-2011 YAMAHA YFZ SE 450 2010-2019

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Part No. 65-426.KW.SS (radhouse.co.uk) Yamaha YZF450 2003-2009, WRF450 2003-2011, GAS GAS EC450F 2013, Kibblewhite # 80-80213H, INTAKE Black Diamond Standard Valves Head Diameter 27.00mm / 1.063 inc. Stem Diameter 4.50mm / 0.1765 inc. Tulip 15 degrees, OL 77.22mm / 3.040 inc. We fully CNC machine our White Diamond Valves from a one- piece forging of either EV8 Stainless Steel or Inconel-751. These materials have proven heat and corrosion resistance properties and are hard chromed with a 360 degree anode to produce the highest possible grade of hard chrome finish. NOTE: Kibblewhite advise to use Kibblewhite valve spring Kit’s with Kibblewhite valves. Use Part no 65-723 Cross reference numbers. Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years YAMAHA YZ F 450 2003-2009 YAMAHA WR F 450 2003-2015 YAMAHA YFZ X 450 2010-2011 YAMAHA YFZ R 450 2009-2020 YAMAHA YFZ 450 2004-2009 YAMAHA YFZ R 450 2009-2019 YAMAHA YFZ 450 2017 YAMAHA YFZ X 450 2008-2011 YAMAHA YFZ SE 450 2010-2019

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Intake Valve Titanium VERTEX 8400008-2 YAMAHA YZF450 03-09, WRF450 03-11,Head Diameter 27.00mm / 1.063 inc. Stem Diameter 4.50mm / 0.1765 inc.Stem Overal Lenght 77.20mm. Part No. 65-426_VE.TI (radhouse.co.uk) Cross reference numbers. 5TA-12112-00-00, Kibblewhite # 80-80213H, XU-09524I, WISECO VIT008, VERTEX 8400008-2, 2004 YFZ450 - YFZ450S VALVE 2004 YFZ450 LIMITED EDITION - YFZ450LES VALVE 2004 YZF450 LIMITED ED. (BLACK METALLIC C) - YFZ450LES VALVE 2005 YFZ450 - YFZ450T VALVE 2005 YFZ450 SPECIAL EDITION - YFZ450SET VALVE 2006 YFZ450 - YFZ450V VALVE Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years YAMAHA YZ F 450 2003-2009 YAMAHA WR F 450 2003-2015 YAMAHA YFZ X 450 2010-2011 YAMAHA YFZ R 450 2009-2020 YAMAHA YFZ 450 2004-2009 YAMAHA YFZ R 450 2009-2019 YAMAHA YFZ 450 2017 YAMAHA YFZ X 450 2008-2011 YAMAHA YFZ SE 450 2010-2019

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65-425.WI.TI Yamaha YZF450 03-09, WRF450 03-11 Standard EXHAUST Valve WISECO VET008, TITANIUM Head Diameter: 28.00mm / 1.102 inches Stem Diameter: 5.00mm / 0.1956 inches Stem Overall Length: 75.00mm Cross Reference Numbers: Kibblewhite # 80-80217H PSYCHIC XU-09521E WISECO VET008 VERTEX 8400008-1 5TA-12121-00-00 Valve Information for Various Models: 2004 YFZ450 - YFZ450S VALVE 2004 YFZ450 LIMITED EDITION - YFZ450LES VALVE 2004 YZF450 LIMITED ED. (BLACK METALLIC C) - YFZ450LES 2005 YFZ450 - YFZ450T VALVE 2005 YFZ450 SPECIAL EDITION - YFZ450SET VALVE 2006 YFZ450 - YFZ450V VALVE Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years GAS-GAS EC F 450 2013-2015 YAMAHA YZ F 450 2003-2009 YAMAHA WR F 450 2003-2015 YAMAHA YFZ X 450 2010-2011 YAMAHA YFZ R 450 2009-2020 YAMAHA YFZ 450 2004-2009 YAMAHA YFZ R 450 2009-2019 YAMAHA YFZ 450 2017 YAMAHA YFZ X 450 2008-2011 YAMAHA YFZ SE 450 2010-2019

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TITANIUM Hi-Performance Racing Valve EXHAUST Size. Head Diameter 28.00mm, Stem Diameter 5.00, Length 75.08mm, Prox offers steel and titanium engine valves as well as titanium into steel conversion kits. The ProX titanium valves are manufactured to high quality standards. high tech Ti3al alloy is forged in one-piece for extra strength while the material offers superior material properties at high temperatures the additional CrN coating offers extreme surface hardness and creates considerably lower friction.The ProX titanium valves do exceed OE specifications in dimensions and reliability. The ProX steel valves are manufactured of premium grade steel to exact OEM specifications and tolerances. The steel valves are made by the leading OEM factories in Japan and are a direct and cost-efficient OEM replacement. Yamaha YFZ450 (2004-2009), Yamaha YZ450F (2003-2009), Yamaha WR450F (2003-2015), Yamaha YFZ450R (2009-2015), Gas-Gas EC450F (2013-2015), PROX 28.2423-1 Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years GAS-GAS EC F 450 2013-2015 YAMAHA YZ F 450 2003-2009 YAMAHA WR F 450 2003-2015 YAMAHA YFZ 450 2004-2009 Yamaha YFZ R 450 2009-2025

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Cross reference numbers ONLY. 5TA-12121-00-00 ASSEMBLIES WHERE 5TA-12121-00-00 IS USED 2003 WR450F (WR450FR) - Valve 2003 YZ450F (YZ450FR) - Valve 2004 WR450F (WR450FS) - Valve 2004 YFZ450 (YFZ450S) - Valve 2004 YFZ450 LIMITED EDITION (YFZ450LES) - Valve 2004 YZ450F (YZ450FS) - Valve 2005 WR450F (WR450FT) - Valve 2005 YFZ450 (YFZ450T) - Valve 2005 YFZ450 SPECIAL EDITION (YFZ450SET) - Valve 2005 YZ450F (YZ450FT) - Valve 2006 WR450F (WR450FV) - Valve 2006 YFZ450 SPECIAL EDITION (YFZ450SPV) - Valve 2006 YFZ450V BILL BALLANCE EDITION (YFZ450BBV) - Valve 2006 YFZ450V BILL BALLANCE EDITION (YFZ450V) - Valve 2006 YZ450F (YZ450FV) - Valve 2006 YZ450F 50TH ANNIVERSARY (YZ450FSPV) - Valve 2007 WR450F (WR450FW) - Valve 2007 YFZ450 (YFZ450W) - Valve 2007 YFZ450 BILL BALLANCE EDITION (YFZ450BBW) - Valve 2007 YFZ450 SPECIAL EDITION (YFZ450SEW) - Valve 2007 YFZ450 SPECIAL EDITION 2-BLACK FLAMES (YFZ450SE2W) - Valve 2007 YZ450F (YZ450FW) - Valve 2008 WR450F (WR450FX) - Valve 2008 YFZ450 (YFZ450XGY) - Valve 2008 YFZ450 (YFZ450XL) - Valve 2008 YFZ450 SPECIAL EDITION (YFZ450SPX) - Valve 2008 YFZ450 SPECIAL EDITION II (YFZ450SP2X) - Valve 2008 YZ450F (YZ450FXL) - Valve 2008 YZ450F (YZ450FXW) - Valve 2009 WR450F (WR450FY) - Valve 2009 YFZ450 (YFZ450YL) - Valve 2009 YFZ450 (YFZ450YW) - Valve 2009 YFZ450R (YFZ450RYL) - Valve 2009 YFZ450R (YFZ450RYW) - Valve 2009 YFZ450R SE (YFZ450RSEY) - Valve 2009 YZ450F (YZ450FYL) - Valve 2009 YZ450F (YZ450FYW) - Valve 2010 YFZ450R (YFZ450RZL) - Valve 2010 YFZ450R SPECIAL EDITION (YFZ450RSEZ) - Valve 2010 YFZ450X (YFZ450XZL) - Valve 2010 YFZ450X (YFZ450XZW) - Valve 2010 YFZ450X BILL BALLANCE EDITION (YFZ450XBBZ) - Valve 2011 WR450F (WR450FA) - Valve 2011 YFZ450R (YFZ450RAL) - Valve 2011 YFZ450R SPECIAL EDITION (YFZ450RSEA) - Valve 2011 YFZ450X (YFZ450XAL) - Valve 2011 YFZ450X SPECIAL EDITION (YFZ450XSEA) - Valve 2012 WR450F (WR450FB) - Valve 2012 YFZ450R (YFZ45RBL) - Valve 2012 YFZ450R (YFZ45RBW) - Valve 2012 YFZ450R SPECIAL EDITION (YFZ45RSEB) - Valve 2013 WR450F (WR450FD) - Valve 2013 YFZ450R (YFZ45RDL) Deep Purplish Blue Solid E - Valve 2013 YFZ450R (YFZ45RDW) Bluish White Solid - Valve 2013 YFZ450R SPECIAL EDITION (YFZ45RSED) - Valve 2014 WR450F (WR450FE) - Valve 2014 YFZ450R (YFZ450REL) - Valve 2014 YFZ450R (YFZ450REO) - Valve 2014 YFZ450R SPECIAL EDITION (YFZ450RSER) - Valve 2014 YFZ450R SPECIAL EDITION (YFZ450RSSE) - Valve 2015 WR450F (WR450FF) - Valve 2015 YFZ450R (YFZ450RFL) - Valve 2015 YFZ450R SE (YFZ450RSFB) - Valve 2016 YFZ450R (YFZ45YSXGL) - Valve 2016 YFZ450R SPECIAL EDITION (YFZ45YSSGY) - Valve 2017 YFZ450 (YFZ45YSXHL) - Valve 2017 YFZ450R SPECIAL EDITION (YFZ45YSSHB) - Valve 2018 YFZ450R (YFZ45YSXJL) - Valve 2018 YFZ450R SE (YFZ45YSSJW) - Valve 2019 YFZ450R (YFZ45YSXKL) - Valve 2019 YFZ450R SPECIAL EDIT (YFZ45YSSKR) - Valve 2019 YFZ450R SPECIAL EDIT (YFZ45YSSKW) - Valve 2020 YFZ450R (YFZ45YSXLL) - Valve 2020 YFZ450R SPECIAL EDIT (YFZ45YSSLM) - Valve 2020 YFZ450R SPECIAL EDIT (YFZ45YSSLR) - Valve 2021 YFZ450R (YFZ45YSXML) - Valve 2021 YFZ450R SPECIAL EDIT (YFZ45YSSMB) - Valve 2021 YFZ450R SPECIAL EDIT (YFZ45YSSMW) - Valve Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years GAS-GAS EC F 450 2013-2015 YAMAHA YZ F 450 2003-2009 YAMAHA WR F 450 2003-2015 YAMAHA YFZ X 450 2010-2011 YAMAHA YFZ R 450 2009-2020 YAMAHA WR F 450 2003-2020 YAMAHA YFZ 450 2004-2009 YAMAHA YFZ R 450 2009-2019 YAMAHA YFZ 450 2017 YAMAHA YFZ X 450 2008-2011 YAMAHA YFZ SE 450 2010-2019

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Valve, White Diamond® Stainless, STD EX, Various Yamaha® Applications YamahaYFZ450 2004-2009YFZ450X 2008-2011YFZ450R 2009-2020YFZ450SE 2010-2020WR450 2003-2015YZ 450F 2003-2009 Black Diamond Valves Kibblewhite # 80-80217H, Standard EXHAUST. Head Diameter 28.00mm / 1.102 inc.Stem Diameter 5.00mm / 0.1956 inc. Tulip 20 degrees, OL 75.06mm / 2.955 inc. We fully CNC machine our White Diamond Valves from a one- piece forging of either EV8 Stainless Steel or Inconel-751. These materials have proven heat and corrosion resistance properties and are hard chromed with a 360 degree anode to produce the highest possible grade of hard chrome finish. NOTE: Kibblewhite advise to use Kibblewhite valve spring Kit?s with Kibblewhite valves. Use Part no 65-723 Part No. 65-425.KW.SS (radhouse.co.uk) (Off Road Only Ltd.) Cross reference numbers. Kibblewhite # 80-80217H, PSYCHIC XU-09521E, WISECO VET008, VERTEX 8400008-1, 5TA-12121-00-00, Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years YAMAHA YZ F 450 2003-2009 YAMAHA WR F 450 2003-2015 YAMAHA YFZ X 450 2010-2011 YAMAHA YFZ R 450 2009-2020 YAMAHA YFZ 450 2004-2009 YAMAHA YFZ R 450 2009-2019 YAMAHA YFZ 450 2017 YAMAHA YFZ X 450 2008-2011 YAMAHA YFZ SE 450 2010-2019

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Exhaust Valve Titanium VERTEX 8400008-1 YAMAHA YZF450 03-09, WRF450 03-11,Head Diameter 28.00mm / 1.102 inc. Stem Diameter 5.00mm / 0.1956 inc.Stem Overal Lenght 75.00mm. Part No. 65-425_VE.TI (radhouse.co.uk) Cross reference numbers. Kibblewhite # 80-80217H, PSYCHIC XU-09521E, WISECO VET008, VERTEX 8400008-1, 5TA-12121-00-00, GAS GAS EC 450 F 450cm 3 (2013, 2013)GAS GAS EC450 F 450cm 3 (2014; 2014)GAS GAS EC 450 F 450cm 3 (2015; 2015)YAMAHA WR 450 F 450 cm 3 (2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2014)YAMAHA YZ - F 450 450 cm 3 (2003; 2004; 2005; 2006; 2007; 2008)YAMAHA YFZ 450 450 cm 3 (2004; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2014, 2015) 2004 YFZ450 - YFZ450S VALVE2004 YFZ450 LIMITED EDITION - YFZ450LES VALVE 2004 YZF450 LIMITED ED. (BLACK METALLIC C) - YFZ450LES 2005 YFZ450 - YFZ450T VALVE 2005 YFZ450 SPECIAL EDITION - YFZ450SET VALVE 2006 YFZ450 - YFZ450V VALVE Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years YAMAHA YZ F 450 2003-2009 YAMAHA WR F 450 2003-2015 YAMAHA YFZ X 450 2010-2011 YAMAHA YFZ R 450 2009-2020 YAMAHA YFZ 450 2004-2009 YAMAHA YFZ R 450 2009-2019 YAMAHA YFZ 450 2017 YAMAHA YFZ X 450 2008-2011 YAMAHA YFZ SE 450 2010-2019

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VALVE STEM SEAL SOLD INDIVIDUALLY! Size. 5.0 x 8.7 x 8.0mm ProX offers a wide range of valve stem seals for the MX, Dirtbike, Roadbike and ATV segment. The seals are manufactured by the leading OEM factories in Japan such as NOK and ARS. The seals are produced from premium grade materials and are made to OEM specs and tolerances. Fantic XEF 250 2021-2023 XXF 250 2022-2023 GasGas EC 450F 2013-2015 Yamaha WR 250F 2015-2025 WR 400F 1998-2000 WR 426F 2001-2002 WR 450F 2003-2015 YZ 250F 2014-2025 YZ 250FX 2015-2025 YZ 400F 1998-1999 YZ 426F 2000-2002 YZ 450F 2003-2009 Yamaha ATV YFZ 450 2004-2013 YFZ 450R 2009-2025 YFZ 450X 2010-2011   PROX 35.VS013 Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years YAMAHA YZ F 426 2000-2002 YAMAHA WR F 426 2001-2002 GAS-GAS EC F 450 2013-2015 YAMAHA YZ F 400 1998-1999 YAMAHA YZ F 450 2003-2009 YAMAHA YFZ 450 2004-2013 YAMAHA WR F 450 2003-2015 YAMAHA WR F 400 1998-2000 YAMAHA YFZ X 450 2010-2011 FANTIC XEF 250 2021-2024 Fantic XEF 310 2024 Fantic XXF 250 2022-2024 Yamaha YZ FX 250 2015-2025 Yamaha YFZ R 450 2009-2025 Yamaha YZ F 250 2014-2025 Yamaha WR F 250 2015-2025

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VALVE STEM SEAL SIZE. 4.5 x 8.2 x 8.0 ProX offers a wide range of valve stem seals for the MX, GasGasEC 250F    2010 - 15EC 300F    2013 - 15EC 450F    2013 - 15YamahaWR 250F    2001 - 13YZ 250F    2001 - 13YZ 400F    1998 - 99WR 426F    2001 - 02YZ 426F    2000 - 02WR 450F    2003 - 15YZ 450F    2003 - 09Yamaha ATVYFZ 450    2004 - 13YFZ 450 R    2009 - 19 PROX 35.VS012 Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years YAMAHA WR F 250 2001-2013 YAMAHA YZ F 426 2000-2002 YAMAHA WR F 426 2001-2002 GAS-GAS EC F 450 2013-2015 YAMAHA YZ F 250 2001-2013 YAMAHA YZ F 400 1998-1999 GAS-GAS EC F 250 2010-2015 GAS-GAS EC F 300 2013-2015 YAMAHA YZ F 450 2003-2009 YAMAHA YFZ 450 2004-2013 YAMAHA WR F 450 2003-2015 YAMAHA WR F 400 1998-2000 YAMAHA YFZ X 450 2010-2011 Yamaha YFZ R 450 2009-2025 Yamaha YZF-R6 600 2006-2024

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Seal Valve Stem, Universal, 4.50mm Stem x Guide Dia 7.75mm, 8mm Length, Seal OD.9.40mm HONDA CRF150R 2007-2019, CRF250R 2004-2017,CRF250X 2004-2017,CBR600RR 1993-1999, CBR 900 RR 1993-1999, SUZUKI GSXR 600 1997-2000, SUZUKI SV 650 1999-2009,SUZUKI GSXR 750 1993-1995, SUZUKI GSXR 750 SRAD 1996-1999, SUZUKI GSXR 1000 2007-2008, SUZUKI GSXR 1100 1993-1998, YAMAHA YZ250F 2014-2015, - Meets or exceeds OEM quality.- Direct oem replacement.- All products are factory tested for 100% reliability at point of sale.- Designed to handle increased power loads.- KIBBLEWHITE PRECISION Racing products are a high quality replacement part and - Please check the image before ordering to avoid mistakes. Part No. 65-3701.EACH (radhouse.co.uk) Cross reference numbers ONLY. 12208-ML0-721, 12209-GB4-681, P400210420048 Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years YAMAHA WR F 250 2001-2013 YAMAHA YZ F 426 2000-2002 YAMAHA WR F 426 2000-2002 HONDA CRF R 250 2008-2009 YAMAHA YZ F 250 2001-2013 YAMAHA YZ F 450 2003-2009 HONDA CRF R 150 2007-2015 YAMAHA YZ F 400 1998-2000 YAMAHA WR F 400 1998-2000 HONDA CRF R 250 2010-2015 YAMAHA YFZ 450 2004-2009 YAMAHA YFZ R 450 2009-2019 YAMAHA YXZ R 1000 2016-2017 YAMAHA YFZ X 450 2008-2011 YAMAHA YFZ SE 450 2010-2019 YAMAHA WR F 450 2003-2013 KAWASAKI KVF BRUTE FORCE I 650 2013 KAWASAKI KVF BRUTE FORCE I 750 2013

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The KPMI® Red Viton® valve stem seal (Part No. 65-333.500.EACH) is a high-performance universal component designed for a variety of motorcycle and ATV applications. Manufactured from 100% Red Viton®, this seal is engineered to withstand extreme heat, corrosive combustion gases, and petroleum exposure while maintaining excellent sealing capabilities. It is the ideal choice for high-performance and racing environments where long-lasting durability and precise sealing are critical. Features Made from premium 100% Red Viton® for high heat and chemical resistance Optimised for maximum valve lift and long service life Prevents oil intrusion into the combustion chamber Maintains elasticity and sealing under extreme conditions Designed for applications with a 5.0mm valve stem and 0.340" guide diameter Precision-engineered for reliable performance in racing and high-load applications Supersedes Part No. 65-3707 Specifications Material: Red Viton® Stem Diameter: 5.0 mm Guide Diameter (A): 0.340" ± 0.005" Overall Length: 0.350" Seal Outer Diameter: 0.405" Measurement B: 0.303" Measurement C: 0.125" Measurement D: 0.230" Quantity: Sold individually (also available in packages of 100) OEM Reference Part Number: 09289-05011 Cross-Reference OEM Part Numbers 09289-05011 Vehicle Fitments HONDA XR50 2000–2003 CRF450R 2002–2008 (Exhaust Only) CRF450R 2009–2013 CRF450X 2005–2013 (Exhaust Only) KAWASAKI KLX400 2001–2006 KFX400 2001–2006 ZX-10R 1988–1990 ZX-11 / ZRX 1100 / ZRX 1200 1999–2005 ZX-12R 2000–2005 ZX-14 2006–2011 Kawasaki PWC 2006–2019 SUZUKI GS 750 E/ES/L/T 1980–1986 (5mm conversion) GSX-R 750 1980–1992 GSX-R 1100 1986–1992 GS 1150 1984–1986 (5mm conversion) GSX-1300R Hayabusa 1999–2019 Note Use the provided diagram and specifications to confirm valve guide dimensions for a proper fit. Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years KAWASAKI KX F 250 2004-2016 YAMAHA YZ F 426 2000-2002 YAMAHA WR F 426 2000-2002 SUZUKI DR S 350 1990-1999 HONDA CRF R 450 2002-2008 YAMAHA YZ F 450 2003-2009 YAMAHA YZ F 400 1998-2000 YAMAHA WR F 400 1998-2000 SUZUKI DR SE 350 1990-1999 SUZUKI DR 250 1990-1999 HONDA XR 50 2000-2003 HONDA CRF R 250 2010-2015 SUZUKI RM Z 450 2005-2015 YAMAHA YFZ 450 2004-2009 KAWASAKI KVF BRUTE FORCE 650 2005-2013 YAMAHA YFZ R 450 2009-2019 SUZUKI DR Z S 400 2000-2015 HONDA CRF R 450 2009-2015 HONDA CRF X 450 2005-2014 KAWASAKI KLX 400 2001-2006 KAWASAKI KFX 400 2001-2006 SUZUKI DR Z E 400 2000-2015 KAWASAKI KVF PRAIRIE 700 2005-2006 KAWASAKI KVF BRUTE FORCE I 650 2006-2012 KAWASAKI KVF BRUTE FORCE I 750 2005-2012 KAWASAKI KRF 750 2008-2012 KAWASAKI KFX 700 2005-2009 YAMAHA YFZ X 450 2008-2011 YAMAHA YFZ SE 450 2010-2019 YAMAHA WR F 450 2003-2013 SUZUKI LT Z 400 2000-2017 SUZUKI DR Z SM 400 2000-2015 POLARIS RZR XP 900 2011-2012

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Part No. 65-173.IN (radhouse.co.uk) YAMAHA YFZ450 2010-2013, INTAKE [2] ENGINE VALVE STAINLESS STEEL. Size. 27.00 x 4.50mm x 75.07mm. Cross reference numbers. AU-09160I, 1PD-12112-00-00, Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years YAMAHA YFZ 450 2012-2013

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Part No. 65-173.EX (radhouse.co.uk) YAMAHA YFZ450 2010-2013, EXHAUST VALVE STAINLESS STEEL PSYCHIC. Size. 28.00 x 5.00mm x 73.14mm. Cross reference numbers. AU-09159E, 1PD-12121-00-00, Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years YAMAHA YFZ 450 2012-2013

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Part No. 65-173.CE (radhouse.co.uk) YAMAHA YFZ450 2010-2013, INTAKE CENTER [1] ENGINE VALVE STAINLESS STEEL. Size. 27.00 x 4.50mm x 74.25mm. Cross reference numbers. AU-09159I, 1PD-12111-00-00, Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years YAMAHA YFZ 450 2012-2013

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This engine oil seal kit is a direct replacement for the original engine oil seals on Yamaha YFZ450 models from 2004 to 2008. It is used during engine rebuilds to replace worn or damaged seals and maintain correct sealing across key engine areas. Features Direct replacement for original engine oil seals Supplied for a complete engine rebuild Covers clutch, shift cam, water pump, crankcase cover and transmission seal applications Kit Contents 2 x Clutch oil seal / shift cam oil seal, 12 mm x 18 mm x 5 mm 1 x Water pump oil seal, 12 mm x 22 mm x 5 mm 1 x Crankcase cover oil seal, 14 mm x 22 mm x 5 mm 1 x Water pump oil seal, 12.5 mm x 25 mm x 7 mm 1 x Transmission oil seal, 32 mm x 42 mm x 6 mm Cross-Reference OEM Part Numbers K&S 50-4044 58-9040.KS Vehicle Fitments Yamaha YFZ450 2004 Yamaha YFZ450 2005 Yamaha YFZ450 2006 Yamaha YFZ450 2007 Yamaha YFZ450 2008 Yamaha YFZ450BB Bill Ballance Edition 2006-2007 Yamaha YFZ450LE Limited Edition 2004 Yamaha YFZ450SE Special Edition 2005, 2007 Yamaha YFZ450SE2 Special Edition 2 2007 Yamaha YFZ450SP 50th Anniversary Edition 2006 Yamaha YFZ450SP Special Edition 2008 Yamaha YFZ450SP2 Special Edition 2 2008 Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years YAMAHA YFZ 450 2012-2013 YAMAHA YFZ 450 2004-2009 YAMAHA YFZ X 450 2008

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Part No. 56-W4865+00C.NT (radhouse.co.uk) YAMAHA YFZ450R/X 2009-2018, YAMAHA YFZ450 2004-2013, Namura 95.00mm piston kit. NA-40009-C Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years YAMAHA YFZ R 450 2009-2019 YAMAHA YFZ 450 2017 KAWASAKI KX 125 1982-1985 YAMAHA YFZ X 450 2009-2015 YAMAHA YFZ R 450 2009-2015 YAMAHA YFZ X 450 2009-2019

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