{"product_id":"piston-kit-27-yamaha-yz-250-f-prox-76-95mm-77-00mm-bore-14-1-1-forged-d05-11631-00-01-2437-a","title":"PISTON KIT 27 YAMAHA YZ 250 F PROX 76.95mm 77.00mm BORE 14.1:1 FORGED D05-11631-00 01.2437.A","description":"\u003cp\u003eThe ProX piston kit is intended to replace the piston in a Yamaha YZ 250 F engine during a top-end rebuild. Its dimensions and compression ratio are listed below to help confirm the required piston size.\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cul\u003e\n\u003cbr\u003e\t\u003cli\u003eStandard bore: 77.00 mm\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003ePiston size: 76.95 mm\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003eActual compression ratio: 14.1:1\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003eTotal height: 34.30 mm\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003ePiston pin hole diameter: 17.00 mm\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003eCompression height: 11.50 mm\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003eBoss spacing: 16.00 mm\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003ePiston head: flat with raised top\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003eFour valve pockets\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003eForged piston\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eCross-Reference OEM Part Numbers\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cul\u003e\n\u003cbr\u003e\t\u003cli\u003eYamaha: D05-11631-00\u003c\/li\u003e\n\u003cbr\u003e\t\u003cli\u003ePROX: 01.2437.A\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eVehicle Fitments\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cul\u003e\n\u003cbr\u003e\t\u003cli\u003eYamaha YZ 250 F: 2027\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e","brand":"ORO2U","offers":[{"title":"Default Title","offer_id":57692563014005,"sku":"56-W9153.A.PX","price":190.27,"currency_code":"GBP","in_stock":false}],"url":"https:\/\/www.smxoffroad.com\/products\/piston-kit-27-yamaha-yz-250-f-prox-76-95mm-77-00mm-bore-14-1-1-forged-d05-11631-00-01-2437-a","provider":"SMXOFFROAD Ltd","version":"1.0","type":"link"}