YZ 292F Stealth big bore and stroker

Big Bore Kit

Please call to order 608-842-0680

Regular Price: $1,595

Special Price: $1,375.00


Quick Overview

Fits 2003-2013 YZ250F


Product Description


Modify OEM Cylinder with forged aluminum liner. Plated with Ceramic Nickel Bore coating. Copper fire ring installed around combustion chamber.

CP piston kit

Head, base, and tensioner gaskets.

+3 stroker crankshaft (balanced)

Notes: This kit includes an OEM core cylinder.  You can send in your good OEM core for a $50 credit.

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