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Cylinder Works 23403B Piston Kit (478cc Big Bore) - 3.00mm Oversize to 97.96mm, 11.4:1 Compression

SKU: 8431742

Cylinder Works 23403B Piston Kit (478cc Big Bore) - 3.00mm Oversize to 97.96mm, 11.4:1 Compression

Cylinder Works
$284.36
$284.36 $315.95
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This is a pre order item. We will ship it when it comes in stock.
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.

Vehicle Fitment:

2004-2009 Yamaha YFZ450
2012-2013 Yamaha YFZ450
2006-2007 Yamaha YFZ450 Bill Balance Edition
2007-2008 Yamaha YFZ450 SE
2009-2023 Yamaha YFZ450R
2009-2023 Yamaha YFZ450R SE
2010-2011 Yamaha YFZ450X
2010 Yamaha YFZ450X Bill Balance
2011 Yamaha YFZ450X SE
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