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2006-2012 YFZ 450

  • 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

  • Designed to fit 2mm oversized valves

  • Pro Series piston shown
2006-2012 YFZ 450
Std Bore: 95mm
Piston
Kit #		 Disp. Bore
Size		 Over
Size		 Comp
Ratio		 Gram
Wt (g)		 Skirt
Style		 Ring # Pin # Lock # Gasket # Sleeve # Footnote
247957 449cc 95mm STD 12.5:1 293 FSR XS9500 787-2050-16-93C 787-050-MW OEM 4
247956 449cc 95mm STD 13.5:1 299 FSR XS9500 787-2050-16-93C 787-050-MW OEM 4
247953 469cc 97mm +2mm 13.0:1 308 FSR XS9700 787-2050-16-93C 787-050-MW Call 4
247952 478cc 98mm +3mm 13.0:1 316 FSR XS9800 787-2050-16-93C 787-050-MW Call 4


2006-2012 YFZ 450 PRO Series (2 Ring)
Std Bore: 95mm
Piston
Kit #		 Disp. Bore
Size		 Over
Size		 Comp
Ratio		 Gram
Wt (g)		 Skirt
Style		 Ring # Pin # Lock # Gasket # Sleeve # Footnote
261555 449cc 95mm STD 13.5:1 250 FSR ZS9500 787-2050-16-93C 787-050-MW OEM 4


2006-2012 YFZ 450 PRO Series (3 Ring)
Std Bore: 95mm
Piston
Kit #		 Disp. Bore
Size		 Over
Size		 Comp
Ratio		 Gram
Wt (g)		 Skirt
Style		 Ring # Pin # Lock # Gasket # Sleeve # Footnote
284685 449cc 95mm STD 12.5:1 258 FSR XS9500 787-2050-16-93C 787-050-MW OEM 4
274209 449cc 95mm STD 13.5:1 260 FSR XS9500 787-2050-16-93C 787-050-MW OEM 4

- 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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