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    A Cylinder Works replacement cylinder is a completely new, not remanufactured, cast aluminium nickel silicon carbide (NSC) electroplated stock bore cylinder that appears just like an OE cylinder.

    NSC is a composite of nickel and silicon carbide, providing an excellent wear-resistant surface with oil retention capabilities.

    Cylinders are then diamond honed to the exact bore dimension and proper surface finish to ensure the proper ring seal and oil retention.

    Features:

    • 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 may require slight case modification. Kit comes with instructions.

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    Cylinder Works - Yamaha WR450F '07-'15, YZ450F '06-'09, YFZ450R '09-'18

    SKU: CW20003
    Regular price $552.99 $524.99 5% off
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    A Cylinder Works replacement cylinder is a completely new, not remanufactured, cast aluminium nickel silicon carbide (NSC) electroplated stock bore cylinder that appears just like an OE cylinder.

    NSC is a composite of nickel and silicon carbide, providing an excellent wear-resistant surface with oil retention capabilities.

    Cylinders are then diamond honed to the exact bore dimension and proper surface finish to ensure the proper ring seal and oil retention.

    Features:

    • 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 may require slight case modification. Kit comes with instructions.