DUCATI
HONDA
KAWASAKI
SUZUKI
YAMAHA
KZ 900/1000 All EX "J" Model          
  • 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: 70mm
    Disp. Bore Size Over Size Piston Kit # Comp Ratio Gram Weight Skirt Style Ring # Pin # Lock # Gasket # Sleeve #
    1015cc 70mm STD 137712 10.25:1 193g Round XC7000 669-2050-12-51C 669-050-MW OEM Bore & Hone
    1075cc 72mm +2mm 125083 8.5:1 195g Round XC7200 669-2050-11-52C 669-050-MW JC8154 Bore & Hone
    1075cc 72mm +2mm 125473 10.25:1 201g Round XC7200 669-2050-12-51C 669-050-MW JC8154 Bore & Hone
    1200cc 76mm +6mm 132493 10.25:1 220g Round XC7600 669-2250-12-51C 669-050-MW JC8156 JE3200
    1327cc 80mm +10mm 144534 14:1 267g Round XC8000 669-2250-11-52C 669-050-MW JC8158 JE3350
    1394cc 82mm +12mm 144535 14:1 275g Round XC8200 669-2250-11-52C 669-050-MW JC8159 JE3450
    1428cc 83mm +13mm 144536 14:1 287g Round XC8300 669-2250-11-52C 669-050-MW JC8160 JE3450


    - 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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