Share |
(Select Another Application)
CRF 450R 2002-2008/CRF 450X 2002-2017

  • 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 450R 2002-2008/CRF 450X 2002-2017
Std Bore: 96mm
Piston
Kit #
Disp. Bore
Size
Over
Size
Comp
Ratio
Gram
Wt (g)
Skirt
Style
Ring # Pin # Lock # Gasket # Sleeve # Footnote
274755 449cc 96mm STD 12.5:1 273 FSR ZV9600 748-2050-16-93C 748-050-MW JC7845 4
274756 449cc 96mm STD 13.5:1 282 FSR ZV9600 748-2050-16-93C 748-050-MW JC7845 4
274757 459cc 97mm +1mm 12.5:1 269 FSR ZS9700 748-2050-16-93C 748-050-MW JC7824 M, 4
274760 468cc 98mm +2mm 12.5:1 285 FSR XS9800 748-2050-16-93C 748-050-MW JC7824 4
274758 478cc 99mm +3mm 12.5:1 293 FSR ZV9900 748-2050-16-93C 748-050-MW JC7849 4
274759 488cc 100mm +4mm 12.5:1 303 FSR ZV10000 748-2050-16-93C 748-050-MW Call 4


CRF 450R 2002-2008/CRF 450X 2002-2017 PRO SERIES
Std Bore: 96mm
Piston
Kit #
Disp. Bore
Size
Over
Size
Comp
Ratio
Gram
Wt (g)
Skirt
Style
Ring # Pin # Lock # Gasket # Sleeve # Footnote
261965 449cc 96mm STD 12.5:1 247 FSR ZV9600 748-2050-16-93C 748-050-MW JC7845 4
261966 449cc 96mm STD 13.5:1 255 FSR ZV9600 748-2050-16-93C 748-050-MW JC7845 4
291514 449cc 96mm STD 14.0:1 256 FSR ZV9600 748-2050-16-93C 748-050-MW JC7845 4

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


JE Pistons 10800 Valley View Street Cypress, California 90630 - Sales/Technical Assistance | Careers @ JE
Copyright © 2017 JE Pistons Inc. All Rights Reserved - Use of this site is subject to the following list of Terms & Conditions.