Cylinder Works Big Bore Kit Yz450F '06-09 - 21003-K01
Cylinder Works Big Bore Kit Yz450F '06-09 - 21003-K01
Cylinder Works Big Bore Kit Yz450F '06-09 - 21003-K01
Cylinder Works Big Bore Kit Yz450F '06-09 - 21003-K01

Cylinder Works

Cylinder Works Big Bore Kit Yz450F '06-09 - 21003-K01

SKU: WPS-422-21003K MPN: 21003-K01
$714.54
$808.95
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  • Description
  • Specifications
  • Fitment
Description

Not CARB Approved, does not ship to California

  • Complete standard bore kits
  • Complete standard bore high compression kits
  • Complete Big Bore Kits
  • Includes cylinder, piston kit and gaskets
  • Top end gasket kit does not include valve stem seals
  • Matched with vertex pistons to ensure longevity, performance and reduce engine noise
  • Replacement piston, gaskets, and ring sets available
  • Cylinder looks just like stock
  • Nickel silicon carbide plated for longer life
  • No machine work needed *
  • Replacement cylinder for standard bore only

 

 

*Honda CRF250R and CRF250X require slight case modification. Kit comes with instructions.

Two stroke replacement rings are sold individually (Example if your piston has two rings you will want to order two rings)

+Yamaha YZ85 cylinder head modification required.

# Yamaha YZ85 cylinder head modification required, AND +2mm strocker crank required.

PROP 65 WARNING: Cancer and/or reproductive harm - www.P65Warnings.ca.gov

Specifications
SKU WPS-422-21003K
MPN 21003-K01
Type Cylinder Heads
Fitment

This Item Fits the Following Vehicles:

YearMakeModel
2000 Honda XR50R
2011 Honda CRF50F
2012 Honda CRF50F
2013 Honda CRF50F
2014 Honda CRF50F
2015 Honda CRF50F
2016 Honda CRF50F
2017 Honda CRF50F
2018 Honda CRF50F
2009 Honda CRF50F
Page 1 of 2
Type
Cylinder Heads
Free Shipping
True
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BRANDNAME
Cylinder Works
Low Stock Threshold
10
Returns
No Cost
Available In Store
0
APA Block
Yes
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