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CRF 250R 2004-2009/CRF 250X 2004-2017

  • Fits 2004-2009 CRF250R and 2004-2015 CRF250X models

  • Machined from 2618 T6 high tensile forged aluminum

  • Dome/Dish features smooth flowing radii and require no deburring or preparation

  • JE designs are specifically engineered for extreme applications including professional competition

  • Pins, pin fitment, lock and rings included
CRF 250R 2004-2009/CRF 250X 2004-2017
Std Bore: 78mm
Piston
Kit #
Disp. Bore
Size
Over
Size
Comp
Ratio
Gram
Wt (g)
Skirt
Style
Ring # Pin # Lock # Gasket # Sleeve # Footnote
247607 249cc 78mm STD 13.2:1 150 FSR JC7794
274178 249cc 78mm STD 13.7:1 150 FSR JC7794
221772 262cc 80mm +2mm 13.4:1 164 FSR JC7795

- Denotes part # has been issued a new part #. A list referencing old part #s to their new counterparts will be available shortly.


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