Honda TRX R 450 Parts — ATV & Quad

Part No. 65-607.PS (radhouse.co.uk) HONDA CRF450R 2002-2008, HONDA ATV TRX450R 2004-2005, EXHAUST VALVE SPRING. PSYCHIC XU-09502ES WIRE DIA 3.6MM,O.D. 23.5/I.D.16.5(+/-0.2)MM, LENGTH 41.5 (+/-0.5)MM, 7 ROLL. Cross reference numbers ONLY. XU-09502ES, 14752-MEB-670, FMX-SPRG-115, 2004 TRX450R A + VALVE 2005 TRX450R A + VALVE 2002 CRF450R A + VALVE 2003 CRF450R A + VALVE 2004 CRF450R A + VALVE 2004 CRF450R A-A + VALVE 2004 CRF450R A/A + VALVE 2005 CRF450R A + VALVE 2005 CRF450R A-A + VALVE 2005 CRF450R A-B + VALVE 2005 CRF450R A/A + VALVE 2005 CRF450R A/B + VALVE 2006 CRF450R A + VALVE Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years HONDA CRF R 450 2002-2006 HONDA TRX R 450 2004-2005 HONDA CRF R 450 2007-2008

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Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years HONDA TRX R 450 2004-2005

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PSYCHIC Exhaust Valve XU-09502I SIZE: 36x5.49x84.75mm 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# 14711-MEB-670 Sold each Application: HONDA CRF 450 R 2002-2008 HONDA TRX 450 R 2006-2009 HONDA TRX 450 ER 2007-2014 Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years HONDA CRF R 450 2002-2006 HONDA TRX R 450 2006-2014 HONDA CRF R 450 2007-2008

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The KPMI® Red Viton® valve stem seal (Seal Style 4) is a premium universal seal designed for 5.5mm valve stems and a wide range of motorcycle engine applications. Made from 100% Red Viton®, it offers outstanding resistance to high temperatures, petroleum products, and combustion by-products. This seal is engineered to provide long-lasting performance, maintain flexibility under extreme conditions, and ensure a precise fit for both intake and exhaust applications. Features Manufactured from 100% Red Viton® for superior heat and chemical resistance Designed for maximum valve lift and extended service life Prevents oil from leaking into the combustion chamber Maintains sealing integrity under extreme engine conditions Suitable for intake and exhaust valves in various models Ideal for high-performance and racing applications Specifications Type: Intake / Exhaust Material: Red Viton® Style: Seal Style 4 Stem Diameter: 5.5 mm Guide Diameter (A): 0.358" ± 0.005" Overall Length: 0.320" Seal Outer Diameter: 0.440" B: 0.320" C: 0.110" D: 0.200" Quantity: Pack of 16 OEM Reference Part Number: 12209-422-005 Cross-Reference OEM Part Numbers 12209-422-005 Kibblewhite: 71016-16 Vehicle Fitments HONDA XR75/80 1985–2003 XR100 1985–2003 XL200R 1980–2002 XR200R 1980–2002 (*excluding 1984–1985 4-valve models) XR/XL250 RFVC 1984–1995 XR250L 1991–1996 XR250R 1996–2004 XR400 RFVC 1996–2004 CRF450R 2002–2008 (Intake only) Honda 750cc–1100cc models 1979–1983 SUZUKI GS 750 E/ES/L/T 1980–1986 GSX-R 1000 2009–2016 GS 1100 E/ES/S 1980–1986 GS 1150 1984–1986 YAMAHA FJ1100/FJ1200 1984–1993 V-MAX 1985–2007 Note Use the provided dimensions and diagram to ensure proper valve guide fitment. Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years HONDA CRF R 450 2002-2008 KAWASAKI KFX R 450 2008-2014 HONDA XR R 250 1996-2004 HONDA TRX R 450 2004-2005 HONDA TRX R 450 2006-2014 HONDA TRX ER 450 2006-2014 KAWASAKI KSF MOJAVE 250 1987-2004 POLARIS RANGER XP 900 2013-2014 HONDA TRX X 250 1987-1992 SUZUKI LT R 450 2006-2009 HONDA XR L 250 1991-1996 KAWASAKI KLX R 450 2008-2013 HONDA TRX X 300 1993-2009 HONDA TRX X 400 1999-2014 HONDA TRX EX 300 1993-2009 HONDA TRX EX 400 1999-2014 POLARIS RZR XP 900 2014 HONDA ATC 185 1980-1986 HONDA ATC 200 1980-1986 HONDA XR 100 1985-2003 HONDA CRF X 450 2005-2014 POLARIS RZR 900 2013-2014 HONDA XR RFVC 400 1996-2004 YAMAHA XT 250 1976-2000 YAMAHA XT 350 1976-2000 YAMAHA TT 250 1976-2000 YAMAHA TT 350 1976-2000 HONDA XR RFVC 250 1984-1995 HONDA XR 75 1985-2003 HONDA XR 80 1985-2003 HONDA XL RFVC 250 1984-1995

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This product is a pack of ten 5.0mm valve stem seals manufactured from 100% solid Viton, designed for camshaft and valvetrain applications in off-road motorcycles. The seals meet or exceed original equipment specifications, offering durability and long service life. Features Made of 100% solid Viton for long life and durability Meets or exceeds OEM specifications Sold as a pack of ten Specifications Stem diameter: 5.0mm Inside bore diameter: 7.75mm Outside diameter: 10.8mm Overall height: 8mm Cross-Reference OEM Part Numbers P400210420105 12208-413-003 12209-428-003 12209-422-005 12209-KL4-005 Vehicle Fitments Honda CB50 (Europe) 1978–1981 – Valve stem oil seals (inlet and exhaust) Honda XR75K (USA) 1974–1978 – Valve stem oil seals (inlet and exhaust) Honda CRF80F (USA) 2004–2010 – Valve stem oil seals (inlet and exhaust) Honda XR80 (USA) 1979–1981 – Valve stem oil seals (inlet and exhaust) Honda XR80R (Europe) 1987–1988 – Valve stem oil seals (inlet and exhaust) Honda CB100N (Europe) 1978–1981 – Valve stem oil seals (inlet and exhaust) Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years HONDA TRX FOURTRAX X 250 1987-1988 HONDA ATC SX 250 1985-1987 HONDA TRX FOURTRAX 300 1988-2000 HONDA TRX FOURTRAX 200 1984 HONDA TRX RANCHER 350 2000-2006 HONDA TRX FOURTRAX 250 1985-1987 HONDA TRX FW 300 1999-2000 HONDA TRX FW 300 1988 HONDA ATC X 350 1985-1986 HONDA ATC X 200 1986-1987 HONDA TRX RINCON 650 2003-2005 HONDA TRX RECON 250 1997-2001 HONDA TRX S 450 1998-2005 HONDA TRX FOREMAN FW 400 1995-2003 HONDA TRX ES 450 1998-2005 HONDA TRX FOURTRAX SX 200 1986-1988 HONDA TRX FOURTRAX D 200 1991-1997 HONDA TRX 400 2004-2007 HONDA TRX FOURTRAX 200 1990-1997 HONDA TRX X 250 2001-2011 HONDA TRX EX 250 2001-2011 HONDA TRX X 400 1999-2012 HONDA TRX EX 400 1999-2012 HONDA TRX RINCON 680 2006-2012 HONDA TRX R 450 2004-2012 HONDA TRX FOURTRAX EX 300 1993-2009 HONDA TRX FOURTRAX 125 1985-1988 HONDA TRX FOURTRAX 350 1986-1987 HONDA TRX FOREMAN D 300 1987-1989 HONDA TRX FOREMAN 400 2002 HONDA TRX ER 450 2004-2012 HONDA TRX 500 2001-2012 HONDA ATC S 200 1983-1986 HONDA ATC M 125 1984-1987 HONDA ATC M 200 1983-1986 HONDA ATC ES 200 1985-1987 HONDA ATC ES 200 1983-1986 HONDA ATC E 200 1983-1986 HONDA ATC 200 1983-1986

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Cross reference numbers. 12209-KL4-005 12209-422-005 12209-428-003 12208-413-003 HONDA CB125TT 1990 CB250 Nighthawk 1991-2008 CB1000 1994, 1995 CBR1000F Hurricane 1990-1996 CRF450R 2002-2008 CRF450X 2005-2017 CRF100F 2004-2013 CRF150F 2003, 2004, 2005 CRF230F 2003-2019 CRF230L 2008, 2009 CRF230M 2009 CRF80F 2004-2013 NX125 1990 XR80R 1990-2003 XR100R 1990-2003 XR200R 1990-2002 XR250L 1991-1996 XR250R 1990-1995 XR400R 1996-2004 GL1500A Gold Wing Aspencade 1991-2000 GL1500CF Valkyrie Interstate 1999, 2000, 2001 GL1500CT Valkyrie Tour 1997, 1998, 1999, 2000 GL1500C Valkyrie 1997-2003 GL1500 Gold Wing 1990 GL1500I Gold Wing Interstate 1991-1996 GL1500SE Gold Wing Special Edition 1990-2000 Africa Twin 2016-2022 Africa Twin Adventure Sports 2018, 2019 Africa Twin Adventure Sports DCT 2018, 2019 Africa Twin Adventure Sports ES 2020, 2021, 2022 Africa Twin Adventure Sports ES DCT 2020, 2021, 2022 Africa Twin DCT 2017-2023 DN-01 NSA700 2009 NSF100 2006 NT650 Hawk GT 1990, 1991 NT700 ABS 2010, 2011 NT700V 2010 Rebel 1100 ABS 2021, 2022 Rebel 1100 ABS DCT 2021, 2022, 2023 Rebel CMX250C 1996-2016 Transalp XL600V 1990 VT600CD Shadow VLX Deluxe 1998-2007 VT600C Shadow VLX 1991-2007 VT750C2BA Shadow Phantom 2010-2023 VT750C2 Shadow Spirit 2007-2014 VT750CA Shadow ACE 1998, 1999 VT750CD Shadow ACE Deluxe 1998-2003 VT750C Shadow Aero 2004-2023 VT750CS Shadow Aero ABS 2023 VT750DC Shadow Spirit 2001-2007 VT750RS Shadow RS 2010, 2011, 2012, 2013 OEM:12209-KL4-005 12209-422-005 12209-428-003 12208-413-003 Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years HONDA TRX FOURTRAX X 250 1987-1988 HONDA ATC SX 250 1985-1987 HONDA TRX FOURTRAX 300 1988-2000 HONDA TRX FOURTRAX 200 1984 HONDA TRX RANCHER 350 2000-2006 HONDA TRX FOURTRAX 250 1985-1987 HONDA TRX FW 300 1999-2000 HONDA TRX FW 300 1988 HONDA ATC X 350 1985-1986 HONDA ATC X 200 1986-1987 HONDA TRX RINCON 650 2003-2005 HONDA TRX RECON 250 1997-2001 HONDA TRX S 450 1998-2005 HONDA TRX FOREMAN FW 400 1995-2003 HONDA TRX ES 450 1998-2005 HONDA TRX FOURTRAX SX 200 1986-1988 HONDA TRX FOURTRAX D 200 1991-1997 HONDA TRX 400 2004-2007 HONDA TRX FOURTRAX 200 1990-1997 HONDA TRX X 250 2001-2011 HONDA TRX EX 250 2001-2011 HONDA TRX X 400 1999-2012 HONDA TRX EX 400 1999-2012 HONDA TRX RINCON 680 2006-2012 HONDA TRX R 450 2004-2012 HONDA TRX FOURTRAX EX 300 1993-2009 HONDA TRX FOURTRAX 125 1985-1988 HONDA TRX FOURTRAX 350 1986-1987 HONDA TRX FOREMAN D 300 1987-1989 HONDA TRX FOREMAN 400 2002 HONDA TRX ER 450 2004-2012 HONDA TRX 500 2001-2012 HONDA ATC S 200 1983-1986 HONDA ATC M 125 1984-1987 HONDA ATC M 200 1983-1986 HONDA ATC ES 200 1985-1987 HONDA ATC ES 200 1983-1986 HONDA ATC E 200 1983-1986 HONDA ATC 200 1983-1986

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Type Intake Material Black Diamond™ Stainless Coating Black Nitroneg Quantity Pkg. of 1 Head Diameter 36.00mm / 1.417 Stem Diameter 5.5mm / 0.2158 Tulip 20º Overall Length 3.315 Remarks Standard Note Must use Kibblewhite® Lightweight Valve Spring Kits when installing Black Diamond Valves. Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years HONDA TRX R 450 2004-2005

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Part No. 65-150.IN (radhouse.co.uk) HONDA TRX450R 2004-2005, VALVE INTAKE STAINLESS STEEL. SIZE. 36.00mm x 5.50mm x 84.55mm. Cross reference numbers. 14711-HP1-670, 14751-MEB-670, Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years HONDA TRX R 450 2004-2005

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Type Exhaust Material Black Diamond™ Stainless Coating Black Nitroneg Quantity Pkg. of 1 Head Diameter 30.00mm / 1.181 Stem Diameter 5.5mm / 0.2151 Tulip 20º Overall Length 3.315 Remarks Standard Replaces OEM P/N 14721-HP1-670 Note These valves are intended as O.E.M. replacement valves and are completely compatible with the O.E.M. spring kits. However, experienced engine builders, who are running aggressive camshafts or higher than factory RPM’s may find the combination of the O.E.M. Style Valve and KPMI’s Lightweight Racing Spring Kits advisable. All titanium valves are (Tensilite®) PVD CrN coated, and all stainless valves are Black Diamond™ coated. Must use Kibblewhite® Lightweight Valve Spring Kits when installing Black Diamond™ Intake Valves. Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years HONDA TRX R 450 2004-2005

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Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years HONDA TRX R 450 2004-2005

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This complete engine oil seal kit is used to replace the engine oil seals during a full engine rebuild on compatible Honda TRX 450R models. Features Direct replacement set for the original engine oil seals One crankcase oil seal is made with Viton® for resistance to heat, friction and chemicals Kit Contents 1 x Right crankcase cover oil seal, 20 x 28 x 5 mm 1 x Crankcase oil seal, 10 x 21 x 5 mm, Viton® 1 x Left crankcase cover oil seal, 10 x 21 x 5 mm 1 x Crankcase oil seal, 39 x 60 x 7.5 mm 1 x Crankcase oil seal, 12 x 18 x 3 mm 1 x Water pump oil seal, 12 x 22 x 5 mm 1 x Crankcase oil seal, 20 x 33 x 7.5 mm 1 x Transmission oil seal, 31 x 40 x 7 mm 1 x Crankcase oil seal, 14 x 22 x 5 mm Vehicle Fitments Honda TRX450R: 2006-2009 Honda TRX 450R: 2012-2014 Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years HONDA TRX ER 450 2012-2014 HONDA TRX R 450 2006-2009 HONDA TRX ER 450 2006-2009 HONDA TRX R 450 2012-2014

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K&S Technologies 58-9221 is a direct replacement engine oil seal set for Honda TRX 450R and TRX 450ER models. It is used when replacing engine seals during a complete engine rebuild or repair. Features Includes the engine oil seals required for a complete engine rebuild Direct replacement for the original engine oil seals Viton seals provide high resistance to heat, friction and chemicals Kit Contents 1 x Right crankcase cover oil seal, 20 x 28 x 5 mm 2 x Crankcase oil seals, 30 x 44 x 7 mm, Viton 1 x Left crankcase cover oil seal, 12 x 22 x 5 mm 1 x Crankcase oil seal, 12 x 20 x 5 mm 1 x Water pump oil seal, 12 x 22 x 5 mm 1 x Crankcase oil seal, 20 x 33 x 5 mm 1 x Transmission oil seal, 31 x 40 x 7 mm 1 x Crankcase oil seal, 14 x 22 x 5 mm Cross-Reference OEM Part Numbers K&S Technologies: 58-9221 Vehicle Fitments Honda TRX 450R 2004-2005 Honda TRX 450ER 2004-2005 Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years HONDA TRX R 450 2004-2005

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The Wossner 8660DA forged piston kit features a 96.00mm bore and is designed for Honda TRX450R ATV models from 2006 to 2009. Manufactured in Germany, this piston ensures strength, consistent heat management, and durability through its forged construction and elliptical design that distributes pressure uniformly under expansion. Features Forged piston construction for strength and durability Optimized heat transfer from combustion chamber to cylinder walls Elliptical shape provides uniform bearing surface under thermal expansion Prevents piston collapse and localized pressure Manufactured in Germany Specifications Bore: 96.00 mm Actual Bore Diameter: 95.95 mm Display: 450 cm³ Hub Stroke: 62.00 mm Clearance: 0.05 mm Compression Height: 23.80 mm Dome Volume: -0.20 cm³ Wossner Compression Ratio: OEM OEM Compression Ratio: 12.00:1 Theoretical Weight: Not specified Cross-Reference OEM Part Numbers Piston: 8660DA Lock: CW19 Pin: WP037 Ring Set: 960XSY Rod: P4023 Part No.: 56-W4899.WO OEM Reference: 13101-HP1-600, 4899M09600 Vehicle Fitments Honda TRX450R 2006–2009 Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years HONDA TRX R 450 2006-2014 HONDA TRX ER 450 2006-2014 HONDA TRX R 450 2006-2009 HONDA TRX R SPORTRAX 450 2006-2014 HONDA TRX ER 450 2007-2019

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Part No. 56-W4899.WI (radhouse.co.uk) Honda TRX450ER Sportrax (2006-2009), Honda TRX450R Sportrax (2006-2009), Honda TRX450R Sportrax (2013), 4899M09600 Wiseco 96.00mm piston kit Compression Ratio 12:1 Extreme racing conditions demand the strength and toughness that only forged pistons can offer. Compared to cast pistons, forgings are tougher and more durable, and will stand up to the abuse that high performance motorsport applications require. Most castings are brittle, have no grain structure and tend to fail catastrophically when the material yield strength is exceeded. Forgings have condensed grain that is aligned to the features of the part, which produces higher mechanical properties, and resistance to impact and fatigue. Each 56-W4899.WO.00A 2009 Honda TRX 450 R Gasket P/N D4011 Lock P/N CW19 Pin P/N S660 strength-to-weight ratio, and maximize performance. Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years HONDA TRX R 450 2006-2014 HONDA TRX ER 450 2006-2014 HONDA TRX R 450 2006-2009 HONDA TRX R SPORTRAX 450 2006-2014 HONDA TRX ER 450 2007-2019

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Part No. 56-W4899.C.NT (radhouse.co.uk) Honda TRX450R / ER SPORTRAX 2006 - 2014, HYPERDRYVE Piston BORE 96 mm Cross reference numbers ONLY. 8660DA, 4899M09600 Replacement Rings NA-10046R. Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years HONDA TRX R 450 2006-2014 HONDA TRX ER 450 2006-2014 HONDA TRX R 450 2006-2009 HONDA TRX R SPORTRAX 450 2006-2014 HONDA TRX ER 450 2007-2019

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Part No. 56-W4899.B.NT (radhouse.co.uk) Honda TRX450R / ER SPORTRAX 2006 - 2014, HYPERDRYVE Piston BORE 96 mm Cross reference numbers ONLY. 8660DA, 4899M09600 Replacement Rings NA-10046R. Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years HONDA TRX R 450 2006-2014 HONDA TRX ER 450 2006-2014 HONDA TRX R 450 2006-2009 HONDA TRX R SPORTRAX 450 2006-2014 HONDA TRX ER 450 2007-2019

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Part No. 56-W4899.A.NT (radhouse.co.uk) Honda TRX450R / ER SPORTRAX 2006 - 2014, HYPERDRYVE Piston BORE 96 mm Cross reference numbers ONLY. 8660DA, 4899M09600 Replacement Rings NA-10046R. Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years HONDA TRX R 450 2006-2014 HONDA TRX ER 450 2006-2014 HONDA TRX R 450 2006-2009 HONDA TRX R SPORTRAX 450 2006-2014 HONDA TRX ER 450 2007-2019

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Wossner 94.00mm high-compression forged piston kit is designed for enhanced engine performance. Engineered for optimal heat transfer, it ensures efficient cooling of the combustion chamber. The elliptical design provides a uniform bearing surface, reducing localized pressure and distributing thrust loads evenly to prevent piston collapse. Manufactured in Germany for precision and reliability. Features High-compression design for increased engine performance Two-ring design for improved sealing and reduced friction Forged construction for enhanced strength and longevity Optimized heat transfer for efficient cooling Elliptical design prevents piston collapse and ensures even load distribution Manufactured in Germany for high-quality standards Specifications Bore Size: 94.00mm Actual Bore Diameter: 93.95mm Displacement: 450 cm³ Stroke: 64.80mm Clearance: 0.05mm Wossner Compression Ratio: 13.10:1 OEM Compression Ratio: 10.50:1 Dome Volume: +9.20 cm³ Compression Height: 26.00mm Gasket Part Number: D4009 Lock Part Number: CW21 Pin Part Number: WP051 Ring Set Part Number: 940XSY Rod Part Number: P4022 Cross-Reference OEM Part Numbers Part No: 56-W4850.A Wossner Part No: 8720DA Vehicle Fitments Honda TRX450R (2004 - 2005) Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years HONDA TRX R 450 2004-2005

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Part No. 56-W4849.WI (radhouse.co.uk) Honda TRX450R Sportrax 2004-2005, Wiseco 4849M09400 Hi Compression 11.5:1 94mm -Wiseco forged pistons are superior in strength and design. -11.5:1 compression - skirt coated. -We carry the full line of Wiseco forged pistons, big bore kits and related items. Included Items: One 94.0mm piston One 3701XR ring set Two CW21 circlips One S656 wrist pin Our pistons, rings and kits are sold by application and bore size. Please note that STANDARD and OVERSIZES are not indicated. To get the correct part, you must know the standard bore size to make sure you are ordering either the standard or correct amount of oversize that you need. If you have any questions, please call Technical Service. Included Items: (1) Piston (1) 3701XR ring set (one upper and one lower ring) Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years HONDA TRX R 450 2004-2005

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Wossner 94.01mm high-compression forged piston kit is designed for enhanced engine performance. Engineered for optimal heat transfer, it ensures efficient cooling of the combustion chamber. The elliptical design provides a uniform bearing surface, reducing localized pressure and distributing thrust loads evenly to prevent piston collapse. Manufactured in Germany for precision and reliability. Features High-compression design for increased engine performance Forged construction for enhanced strength and longevity Optimized heat transfer for efficient cooling Elliptical design prevents piston collapse and ensures even load distribution Manufactured in Germany for high-quality standards Specifications Bore Size: 94.01mm Actual Bore Diameter: 93.96mm Displacement: 450 cm³ Stroke: 64.80mm Clearance: 0.05mm Wossner Compression Ratio: 11.50:1 OEM Compression Ratio: 10.50:1 Dome Volume: +3.60 cm³ Compression Height: 26.00mm Gasket Part Number: D4009 Lock Part Number: CW21 Pin Part Number: WP051 Ring Set Part Number: 940XSY Rod Part Number: P4022 Cross-Reference OEM Part Numbers Part No: 56-W4849.B.WO Wossner Part No: 8719DB Vehicle Fitments Honda TRX450R (2004 - 2005) Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years HONDA TRX R 450 2004-2005

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Wossner 94.00mm high-compression forged piston kit is designed for enhanced engine performance. Engineered for optimal heat transfer, it ensures efficient cooling of the combustion chamber. The elliptical design provides a uniform bearing surface, reducing localized pressure and distributing thrust loads evenly to prevent piston collapse. Manufactured in Germany for precision and reliability. Features High-compression design for increased engine performance Forged construction for enhanced strength and longevity Optimized heat transfer for efficient cooling Elliptical design prevents piston collapse and ensures even load distribution Manufactured in Germany for high-quality standards Specifications Bore Size: 94.00mm Actual Bore Diameter: 93.95mm Displacement: 450 cm³ Stroke: 64.80mm Clearance: 0.05mm Wossner Compression Ratio: 11.50:1 OEM Compression Ratio: 10.50:1 Dome Volume: +3.60 cm³ Compression Height: 26.00mm Gasket Part Number: D4009 Lock Part Number: CW21 Pin Part Number: WP051 Ring Set Part Number: 940XSY Rod Part Number: P4022 Cross-Reference OEM Part Numbers 13101-HP1-670 4849M09400 Part No: 56-W4849.A.WO Wossner Part No: 8719DA Vehicle Fitments Honda TRX450R (2004 - 2005) Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years HONDA TRX R 450 2004-2005

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Part No. 56-W4780.WI (radhouse.co.uk) Honda CRF450R 2002-2008, Big Bore Piston Kit 101mmCompression: 12.5:1ArmorGlideForged from high-silicon aluminum alloy for maximum strength and dependability. Innovative forging design and piston skirt provide maximum horsepower and torque. Dedicated forgings used for superior strength to weight ratio utilizing aerospace alloy. All Wiseco high-performance motorcycle pistons come with rings and circlips Vehicle Compatibility Please check the exact model and year before ordering. Manufacturer Model Years HONDA CRF R 450 2002-2008 HONDA TRX ER 450 2006-2014 HONDA TRX R 450 2006-2009

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