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Cylinder Works 478cc Big Bore Kit 2009-2017 Yamaha YFZ 450R 450X 21003-K02

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Key item features

100% Brand New Aftermarket Unit
NOT Remanufactured
1-Year Warranty
Meets or Exceeds OEM Specs for Fit and Performance

Specs

Vehicle make
Yamaha
Vehicle model
YFZ450R
Vehicle year
2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
Vehicle fitment type
Specific
Automotive specialty part type
Vehicle Specific
Size
Universal

Current price is $830.25

Price when purchased online

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Columbus, 43215

Arrives between Feb 17 - Feb 19

Sold and shipped by DB Electrical

4.359797297297297 stars out of 5, based on 592 seller reviews(4.4)

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Compare with similar items

Comparison Overview:
Product	Viewing this item Cylinder Works 478cc Big Bore Kit 2009-2017 Yamaha YFZ 450R 450X 21003-K02 current price $830.25 Cylinder Works 478cc Big Bore Kit 2009-2017 Yamaha YFZ 450R 450X 21003-K02	Cylinder Works 18-21 Honda CRF 250 R 250cc 3mm Big Bore Cylinder Kit 270cc current price $748.55 Cylinder Works 18-21 Honda CRF 250 R 250cc 3mm Big Bore Cylinder Kit 270cc	New Cylinder Works Standard Bore Cylinder Kit for Kawasaki 30007-K01 current price $587.31 New Cylinder Works Standard Bore Cylinder Kit for Kawasaki 30007-K01	Cylinder Works 04-05 Honda TRX 450 R 450cc 3mm Big Bore Cylinder Kit 479cc 10.5:1 Comp. 97mm current price $769.45 Cylinder Works 04-05 Honda TRX 450 R 450cc 3mm Big Bore Cylinder Kit 479cc 10.5:1 Comp. 97mm	Cylinder Works Big Bore Cylinder Kit 5mm 103.5cc 8.2:1 (21007-K01) current price Now $667.91, Was $841.66 Cylinder Works Big Bore Cylinder Kit 5mm 103.5cc 8.2:1 (21007-K01)	Cylinder Works Big Bore Gasket Kit For KTM 250 EXC-F (06-13) 250 SX-F (05-12) current price $136.75 Cylinder Works Big Bore Gasket Kit For KTM 250 EXC-F (06-13) 250 SX-F (05-12)	Cylinder Works Standard Bore HC Cylinder Kit For Honda CRF 250 R 2004-2007 current price $540.56 Cylinder Works Standard Bore HC Cylinder Kit For Honda CRF 250 R 2004-2007

Comparison Chart:
Vehicle make	YamahaCylinder Works 478cc Big Bore Kit 2009-2017 Yamaha YFZ 450R 450X 21003-K02	HondaCylinder Works 18-21 Honda CRF 250 R 250cc 3mm Big Bore Cylinder Kit 270cc	KawasakiNew Cylinder Works Standard Bore Cylinder Kit for Kawasaki 30007-K01	HondaCylinder Works 04-05 Honda TRX 450 R 450cc 3mm Big Bore Cylinder Kit 479cc 10.5:1 Comp. 97mm	YamahaCylinder Works Big Bore Cylinder Kit 5mm 103.5cc 8.2:1 (21007-K01)	KTMCylinder Works Big Bore Gasket Kit For KTM 250 EXC-F (06-13) 250 SX-F (05-12)	HondaCylinder Works Standard Bore HC Cylinder Kit For Honda CRF 250 R 2004-2007
Vehicle model	YFZ450RCylinder Works 478cc Big Bore Kit 2009-2017 Yamaha YFZ 450R 450X 21003-K02	CRF250RCylinder Works 18-21 Honda CRF 250 R 250cc 3mm Big Bore Cylinder Kit 270cc	KRF 750 Teryx 4x4New Cylinder Works Standard Bore Cylinder Kit for Kawasaki 30007-K01	TRX 450 RCylinder Works 04-05 Honda TRX 450 R 450cc 3mm Big Bore Cylinder Kit 479cc 10.5:1 Comp. 97mm	YZ 85Cylinder Works Big Bore Cylinder Kit 5mm 103.5cc 8.2:1 (21007-K01)	-Cylinder Works Big Bore Gasket Kit For KTM 250 EXC-F (06-13) 250 SX-F (05-12)	CRF 250 RCylinder Works Standard Bore HC Cylinder Kit For Honda CRF 250 R 2004-2007
Vehicle year	2009Cylinder Works 478cc Big Bore Kit 2009-2017 Yamaha YFZ 450R 450X 21003-K02	-Cylinder Works 18-21 Honda CRF 250 R 250cc 3mm Big Bore Cylinder Kit 270cc	2005New Cylinder Works Standard Bore Cylinder Kit for Kawasaki 30007-K01	2004Cylinder Works 04-05 Honda TRX 450 R 450cc 3mm Big Bore Cylinder Kit 479cc 10.5:1 Comp. 97mm	2002Cylinder Works Big Bore Cylinder Kit 5mm 103.5cc 8.2:1 (21007-K01)	2005Cylinder Works Big Bore Gasket Kit For KTM 250 EXC-F (06-13) 250 SX-F (05-12)	2004Cylinder Works Standard Bore HC Cylinder Kit For Honda CRF 250 R 2004-2007
Vehicle fitment type	SpecificCylinder Works 478cc Big Bore Kit 2009-2017 Yamaha YFZ 450R 450X 21003-K02	SpecificCylinder Works 18-21 Honda CRF 250 R 250cc 3mm Big Bore Cylinder Kit 270cc	SpecificNew Cylinder Works Standard Bore Cylinder Kit for Kawasaki 30007-K01	SpecificCylinder Works 04-05 Honda TRX 450 R 450cc 3mm Big Bore Cylinder Kit 479cc 10.5:1 Comp. 97mm	SpecificCylinder Works Big Bore Cylinder Kit 5mm 103.5cc 8.2:1 (21007-K01)	SpecificCylinder Works Big Bore Gasket Kit For KTM 250 EXC-F (06-13) 250 SX-F (05-12)	SpecificCylinder Works Standard Bore HC Cylinder Kit For Honda CRF 250 R 2004-2007

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About this item

Product details

Cylinder Works 21003-K02 New 478cc Big Bore Kit Compatible with/Replacement for (09-17) YAMAHA YFZ 450R 450X 21003-K02

**Verify the part fits before purchasing**

Spec:

Description: Big Bore Cylinder Kit
Compression Ratio: 12.0:1
Cylinder Diameter: 98mm
Cylinder Kit Type: Big Bore
Displacement: 478cc
Engine Type: 4-Cycle
Kit Includes: Cylinder, Piston Kit, & Top-End Gasket Kit
Notes: Uses Vertex #23403.

Compatible with/Replacement For:

YAMAHA: 2S2-11311-10-00

Replacement for:

Yamaha YFZ 450 R 2009-2019, YFZ 450 X 2010-2011

100% Brand New Aftermarket Unit
NOT Remanufactured
1-Year Warranty
Meets or Exceeds OEM Specs for Fit and Performance

info:

We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.

Specifications

Vehicle make

Yamaha

Vehicle model

YFZ450R

Vehicle year

2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019

Vehicle fitment type

Specific

Warranty

Warranty information

1 Year Warranty on parts. We’re confident that our products will work flawlessly once installed in your vehicle. But in a rare case that it does not, we’ll replace the products anytime within one year of your order. If you have a problem, we will take every step to assist you.

Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.