98mm High Compression Big Bore Kit, Yamaha 2004-Current YFZ 450

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The Sparks Racing High Compression 480cc Big Bore Cylinder Kit is the perfect add-on for anyone looking to maximize the performance of their YFZ engine.

Availability: In stock

$849.95

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$849.95

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Details

The Sparks Racing High Compression 480cc Big Bore Cylinder Kit is the perfect add-on for anyone looking to maximize the performance of their YFZ engine. Our custom cylinder is specifically designed for a 98mm bore, so there won’t be any head gasket or cooling issues. Our one-piece cast aluminum cylinder with Nikasil plating is far superior to a bored or sleeved stock cylinder. This kit uses a brand new cylinder, so there’s no need to return your cylinder to us. This is a high compression big bore kit which requires the use of race fuel with an octane rating of 110 or better.

***This kit will work on all model years of the YFZ 450, but to run this kit on the 2004-2005 YFZ, you must use a 2006- newer crankshaft***

Each Kit Includes:

  • 98mm Cylinder

  • 98mm 13.8:1 Piston Kit

  • Head gasket and base gasket

 

 SKU: BBKY04450YFZ98H

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