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Yamaha YFZ450 / YFZ450R / YFZ450F / YFZ450X

Yamaha 450cc ATV Quad Parts YFZ450 / YFZ450R / YFZ450F / YFZ450X

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CP-Carrillo 04-23 Yamaha YFZ450R 12.75:1 98mm +3mm 478cc Piston Kit

CP-Carrillo

CP-Carrillo 04-23 Yamaha YFZ450R 12.75:1 98mm +3mm 478cc Piston Kit Technical Specifications: - Made from high-strength, extruded aerospace-gra...

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CP-Carrillo 04-23 Yamaha YFZ450R 13.75:1 95mm standard Bore 449cc Piston Kit

CP-Carrillo

CP-Carrillo 04-23 Yamaha YFZ450R 13.75:1 95mm standard Bore 449cc Piston Kit Technical Specifications: - Made from high-strength, extruded aero...

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CP-Carrillo 04-23 Yamaha YFZ450R 13.25:1 95mm standard Bore 449cc Piston Kit

CP-Carrillo

CP-Carrillo 04-23 Yamaha YFZ450R 13.25:1 95mm standard Bore 449cc Piston Kit Technical Specifications: - Made from high-strength, extruded aero...

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CP-Carrillo 04-23 Yamaha YFZ450R 12.75:1 95mm standard Bore 449cc Piston Kit

CP-Carrillo

CP-Carrillo 04-23 Yamaha YFZ450R 12.75:1 95mm standard Bore 449cc Piston Kit Technical Specifications: - Made from high-strength, extruded aero...

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$37.55
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$32.11
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Kibblewhite White Diamond Exhuast Valve YFZ450 YFZ450R 5TA-12121-00-00 80-80217H

BPRATV

Type Intake Material White Diamond® Stainless Coating Hard Chrome Quantity Pkg. of 1 Head Diameter 27.00mm / 1.063" Stem Diameter 4.5mm...

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$32.11
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$43.69 - $43.69
$43.69
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04-13 Yamaha YFZ 450 Carbureted 98mm .027" MLS Cometic Top End Gasket Kit C3068

BPRATV

FITS ALL YAMAHA YFZ 450 CARBURETOR MODELS ONLY BUY IN BULK AND SAVE $$$Cometic top end gasket kitBig bore MLS head gasketBase gasketChain tensioner...

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$39.89 - $39.89
$39.89
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$39.89

New Yamaha YFZ450 YZ450F WR450F Big Bore 98mm .027" MLS Cometic Head Gasket

BPRATV

FITS YAMAHA YFZ 450 YZ450F WR450F MODELS!98mm Head Gasket for all YFZ  YZ WR 450 Big Bore CylindersPatented MLS Multi-Layer Steel ConstructionMADE ...

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$356.25 - $356.25
$356.25
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$356.25

Best YFZ450 Top End Rebuild Kit Stock Standard Bore Cylinder Piston Assembly Kit

BPRATV

95mm cylinder 95mm Wiseco or Wossner forged piston Nitrite-coated piston rings Chrome wrist pin Circlips Top-end gasket kit MLS head gasket Runs ...

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$356.25 - $356.25
$356.25
$356.25 - $356.25
$356.25
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Assembled YFZ450 Carb Model Head Assembly Ported Stg 3 Hotcams Kibblewhite Valve

BPRATV

Used cylinder head in excellent condition Inspected, cleaned, sandblasted Full race port and polish Intake, exhaust, combustion chamber Valve guid...

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$2,279.99 - $2,279.99
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09-13 YFZ450R Ported Assembled Cylinder Head Kibblewhite Valves Port Polish Head

BPRATV

Works on all '09-13 Yamaha YFZ450R models Brand new OEM Yamaha cylinder head Full race port and polish Intake, exhaust, combustion chamber Valve g...

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2014+ YFZ450R Ported Assembled Cylinder Head Kibblewhite Valves Port Polish Head

BPRATV

Works on all '09-13 Yamaha YFZ450R models Brand new OEM Yamaha cylinder head Full race port and polish Intake, exhaust, combustion chamber Valve g...

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Ported YFZ450 Carb Model Cylinder Head Port Porting Assembled Kibblewhite Hotcam

BPRATV

Used cylinder head in excellent condition Inspected, cleaned, sandblasted Full race port and polish Intake, exhaust, combustion chamber Valve guid...

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$2,279.99 - $2,279.99
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Rebuild YFZ450 Cylinder Head Rebuild Port Assemble +1 Valves Hotcams YOUR HEAD

BPRATV

THIS IS A SERVICE WE PERFORM ON YOUR CYLINDER HEAD YOU SEND US.  YOU ARE NOT PURCHASING A HEAD Tear down and inspect Clean head Full race port an...

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$1,242.99
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$123.49
$123.49 - $123.49
$123.49

Best YFZ450R YFZ 450R Cylinder Head Studs Nuts TITANIUM Stud Bolt Upgrade Kit

BPRATV

Compatible Vehicles Submodel Year Make Model -- 2021 Yamaha YFZ450R -- 2020 Yamaha YFZ450R -- 2019 Yamaha YFZ450R -- 2018 Yamaha YF...

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$263.99
$263.99 - $263.99
$263.99
$137.74
$137.74 - $137.74
$137.74

Best YFZ450R YFZ 450R Cylinder Head Studs TITANIUM Stud Kit 98m Big Bore Gaskets

BPRATV

Works on all Yamaha YFZ450R FI models and years All Titanium stud, nut, and washer kit Heat treated allen head studs 12 point flange nuts 3mm th...

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$263.99
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$263.99
$137.74
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Best YFZ450 Big Bore Stroker 500cc Stage 3 Hotcams Kibble +1 Valves Rebuild Kit

BPRATV

Complete 500cc big bore stroker for all Yamaha YFZ450 carb models 98mm BPR big bore cylinder 98mm Wiseco JE or CP big bore forged piston Nitirte...

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$375.25 - $375.25
$375.25
$375.25 - $375.25
$375.25

Best YFZ450 Big Bore Kit 98mm +3 Cylinder Top End Rebuild Assembly 480c Redo Kit

BPRATV

BPR 98mm big bore cylinder 98mm Wiseco or Wossner big bore forged piston Nitrite coated piston rings Chrome wristpin Circlips Top end gasket kit ...

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$375.25 - $375.25
$375.25
$375.25 - $375.25
$375.25
$2,279.99 - $2,279.99
$2,279.99
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Best YFZ450 Ported Head Porting Port Polish Assemble Kibblewhite Valves Complete

BPRATV

THE BEST CYLINDER HEAD PORTING IN THE INDUSTRY GUARANTEED!  Works on all Yamaha YFZ450 carb models Brand new OEM cylinder head Full race port an...

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$2,279.99 - $2,279.99
$2,279.99
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$2,374.99 - $2,374.99
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Best YFZ450 Ported Head Porting Port Polish Assemble Kibblewhite +1 Valves Kit

BPRATV

THE BEST CYLINDER HEAD PORTING IN THE INDUSTRY GUARANTEED!  Works on all Yamaha YFZ450 carb models Brand new OEM cylinder head Full race port an...

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$2,374.99 - $2,374.99
$2,374.99
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$375.25 - $375.25
$375.25
$375.25 - $375.25
$375.25

Best YFZ450 Top End Rebuild Kit Stock Bore Cylinder Piston Upper Assembly Parts

BPRATV

BPR stock bore 95mm cylinder 95mm Wiseco or Wossner forged piston Nitrite coated piston rings Chrome wristpin Circlips Top end gasket kit MLS hea...

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$375.25 - $375.25
$375.25
$375.25 - $375.25
$375.25
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$263.99
$263.99 - $263.99
$263.99
$137.74
$137.74 - $137.74
$137.74

Best YFZ450R YFZ 450R Cylinder Head Studs TITANIUM Stud Kit Cometic Gaskets Set

BPRATV

Compatible Vehicles Submodel Year Make Model -- 2013 Yamaha WR450F -- 2012 Yamaha WR450F Team Yamaha 2012 Yamaha WR450F -- 2011 Yam...

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$263.99
$263.99 - $263.99
$263.99
$137.74
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$137.74
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$1,234.99
$1,234.99 - $1,234.99
$1,234.99

09-13 YFZ450R YFZ 450R Rebuild Kit Complete Top Bottom Motor Engine Assembly Kit

BPRATV

FITS ALL '09-13 YAMAHA YFZ450R FUEL INJECTED MODELS ONLY! 95mm aftermarket cylinder JE Wiseco or CP forged piston** Hi temp piston rings Chrome ...

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$1,234.99 - $1,234.99
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Fix YFZ450R YFZ 450R Rekluse Late Model Clutch Failure Issue Complete Retrofit

BPRATV

FITS ALL YAMAHA YFZ450R FUEL INJECTED MODELS - STANDARD REPLACEMENT FOR '09-13 AND FIXES 2014+ FAILURE ISSUES The best clutch kit on the planet, p...

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$997.49 - $997.49
$997.49
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14+ YFZ450R YFZ 450R Ported Head Porting Port OEM Yamaha Cylinder Cut Guides

BPRATV

FITS '14+ YAMAHA YFZ450R MODELS!  Brand new OEM Yamaha cylinder head Full race port and polish Guides cut It will make a great addition to your s...

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$997.49 - $997.49
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$997.49
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$499.99
$499.99 - $499.99
$499.99
$359.98
$359.98 - $359.98
$359.98

09-13 YFZ450R YFZ 450R Hot Rods OEM Replacement Crankshaft Crank & Main Bearings

Hot Rods

YAMAHA YFZ450R / YFZ450X HOT RODS CRANKSHAFT ASSEMBLY & SKF MAIN BEARINGSFits:Yamaha YFZ 450R 2009-2013Yamaha YFZ 450X 2010-2011Only fits fuel ...

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$499.99
$499.99 - $499.99
$499.99
$359.98
$359.98 - $359.98
$359.98
Save $140.01 Save $0.00
$118.74 - $118.74
$118.74
$118.74 - $118.74
$118.74

2014+ YFZ450R YFZ 450R Talon Clutch Cover Gasket Titanium Bolts OEM Replacement

BPRATV

WORKS ON ALL 2014+ YAMAHA YFZ450R MODELS Talon clutch kit - fiber & steel plates, springs Both clutch cover gaskets Hi temp ceramic clutch bal...

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$118.74 - $118.74
$118.74
$118.74 - $118.74
$118.74
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$219.99
$219.99 - $219.99
$219.99
$102.99
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$102.99

14+ YFZ450R YFZ 450R Clutch Kit Plates Pack Dune Trail 8 Plate 3 Springs Gasket

BPRATV

FITS 14+ YAMAHA 450R/X MODELS - IF YOU HAVE A 2014+ MODEL WE STRONGLY ADVISE YOU TO MAKE THE SWAP TO THE 09-13 MODEL CLUTCH.  THE BASKET ON THE 14+...

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$219.99
$219.99 - $219.99
$219.99
$102.99
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$102.99
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$1,709.99 - $1,709.99
$1,709.99
$1,709.99 - $1,709.99
$1,709.99

09-13 YFZ450R YFZ 450R Ported Assembled Head Porting Assembly Kibblewhite Valves

BPRATV

FITS ALL '09-13 YAMAHA YFZ450R MODELS! Brand new full race port and polish Complete head assembly (NO CAMS) Kibblewhite chrome silicone valve spri...

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$1,709.99 - $1,709.99
$1,709.99
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$90.24 - $90.24
$90.24
$90.24 - $90.24
$90.24

2014+ YFZ450R YFZ 450R Replacement Clutch Kit Fiber Steel Titanium Cover Bolts

BPRATV

WORKS ON ALL 2014+ YAMAHA YFZ450R MODELS Talon clutch kit - fiber & steel plates, springs Both clutch cover gaskets Titanium clutch cover bolt...

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$90.24 - $90.24
$90.24
$90.24 - $90.24
$90.24
$427.49 - $427.49
$427.49
$427.49 - $427.49
$427.49

Best YFZ450 98mm +3 Big Bore Kit YFZ 450 Carb 478cc Cylinder Top Upper Assembly

BPRATV

FITS ALL YAMAHA YFZ450 CARB MODELS ONLY BPR 98mm big bore cylinder Wiseco CP or JE forged big bore piston Nitrite coated piston rings Chrome wris...

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$427.49 - $427.49
$427.49
$427.49 - $427.49
$427.49
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$1,385.95
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$1,099.99
$1,099.99 - $1,099.99
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09-13 YFZ450R Wiseco Clutch Billet Basket Hub Cover Complete Kit Titanium Bolts

BPRATV

FITS ALL YAMAHA YFZ450R FI MODEL YEARS AND MODELS!  FOR 09-13 IT IS A STOCK REPLACEMENT FOR 14+ IT IS THE RETROFIT UPGRADE Wiseco complete clutch r...

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$1,385.95
$1,385.95 - $1,385.95
$1,385.95
$1,099.99
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$1,385.95
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$1,099.99
$1,099.99 - $1,099.99
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Fix YFZ450R YFZ 450R 14+ Late Model Clutch Issue Wiseco Complete Retrofit Kit

BPRATV

FITS ALL YAMAHA YFZ450R FI MODEL YEARS AND MODELS!  FOR 09-13 IT IS A STOCK REPLACEMENT FOR 14+ IT IS THE RETROFIT UPGRADE Wiseco complete clutch r...

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$1,385.95
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$1,385.95
$1,099.99
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$1,999.99
$1,999.99 - $1,999.99
$1,999.99
$1,804.99
$1,804.99 - $1,804.99
$1,804.99

14+ YFZ450R YFZ 450R Complete Ported Head Porting Assembled Kibblewhite Valves

BPRATV

Compatible Vehicles Submodel Year Make Model -- 2021 Yamaha YFZ450R -- 2020 Yamaha YFZ450R -- 2019 Yamaha YFZ450R -- 2018 Yamaha Y...

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$1,804.99
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$2,199.99
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$1,899.99
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09-13 YFZ450R YFZ 450R 450X Complete Motor Engine Rebuild Cams Valves Oil Pump

BPRATV

FITS ALL YAMAHA '08-13 YFZ450R and YFZ450X MODELS 95mm after market stock bore cylinder Hotrods or Wiseco HD crank with rod Main bearings Transm...

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$2,199.99
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Save $300.00 Save $0.00
$1,804.99 - $1,804.99
$1,804.99
$1,804.99 - $1,804.99
$1,804.99

14+ YFZ450R YFZ 450R Ported Assembled Head Porting Assembly Kibblewhite Valves

BPRATV

FITS ALL 2014 AND NEWER YAMAHA YFZ450R MODELS - DOES NOT FIT ANY OTHER VEHICLE  - BRAND NEW OEM Yamaha cylinder head** - Full race port and polish...

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$1,804.99 - $1,804.99
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$759.99 - $759.99
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09-13 YFZ450R YFZ 450R Stock Rebuild Kit Top Bottom End Assembly Repair Parts

BPRATV

FITS ALL YAMAHA YFZ450R ATV MODELS AND YEARS! CP JE or Wiseco forged piston** Nitrite coated piston rings Chrome wristpin Circlips Hotrods or Wi...

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$759.99 - $759.99
$759.99
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