HONDA
KAWASAKI
KTM
SUZUKI
YAMAHA
2004-2007 RMZ 250          
  • 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
    		•
    Std Bore: 77mm
    Applications available for 2004-2006 RMZ 250
    Disp. Bore Size Over Size Piston Kit # Comp Ratio Gram Weight Skirt Style Ring # Pin # Lock # Gasket # Sleeve #
    249cc 77mm STD 243642 13.5:1 161g FSR JC3301-3031 630-1650-12-52C 630-050-MW JC7211 Deglaze Only
    262cc 79mm +2mm 247605 13:1 168g FSR JC3401-3110 630-1650-12-52C 630-050-MW JC7221 Bore & Replate
    270cc 80mm +3mm 221790 13:1 165g FSR JC3401-3150 630-1650-12-52C 630-050-MW JC7221 Sleeve

    PRO Series
    Std Bore    : 77mm
    Applications available for 2007-08 RM-Z 250 PRO SERIES
    Disp. Bore Size Over Size Piston Kit # Comp Ratio Gram Weight Skirt Style Ring # Pin # Lock # Gasket # Sleeve #
    249cc 77mm STD 261540 13.5:1 153 FSR JC3501-3031 630-1650-12-93C 630-050-MW JC7211 Deglaze Only
    249cc 77mm STD 261541 14:1 153 FSR JC3501-3031 630-1650-12-93C 630-050-MW JC7211 Deglaze Only
    262cc 79mm +2mm 261542 13:1 165 FSR JC3401-3110 630-1650-12-93C 630-050-MW JC7221 Bore & Replate
    270cc 80mm +3mm 261543 13:1 170 FSR JG7001-3150 630-1650-12-93C 630-050-MW JC7221 Sleeve


    - 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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