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2001-2004 YZ250F/WR250F

  • 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
2001-2004 YZ250F/WR250F
Std Bore: 77mm
Piston
Kit #		 Disp. Bore
Size		 Over
Size		 Comp
Ratio		 Gram
Wt (g)		 Skirt
Style		 Ring # Pin # Lock # Gasket # Sleeve # Footnote
221798 249cc 77mm STD 13.5:1 169 FSR JC3301-3031 630-1650-12-93C 630-050-MW OEM
247943 262cc 79mm +2mm 13.0:1 181 FSR JC3401-3110 630-1650-12-93C 630-050-MW JC7904 L
221797 270cc 80mm +3mm 13.0:1 184 FSR JC3401-3150 630-1650-12-93C 630-050-MW JC7904 M

- 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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