{"product_id":"mgt1-peu-16555-01-2450-b","title":"Yamaha YZ 450 [PROX] – forged piston set","description":"\u003ch2\u003ePROX forged piston set for Yamaha YZ 450\u003c\/h2\u003e\n\n\u003cp\u003eThe PROX forged piston set is specially designed for use in the 4-stroke engine of the Yamaha YZ 450. This kit contains a standard size B replica forged piston with a piston diameter of 96.96 mm and matching steel rings. The use of high-quality aluminum alloy for the piston ensures an optimal combination of low weight and high strength.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e PROX\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersion:\u003c\/strong\u003e Replica forged pistons\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePiston size:\u003c\/strong\u003e Standard size B\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePiston diameter:\u003c\/strong\u003e 96.96mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePiston material:\u003c\/strong\u003e Forged aluminum alloy\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial rings:\u003c\/strong\u003e Steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEngine type:\u003c\/strong\u003e 4-stroke\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompression ratio:\u003c\/strong\u003e 13,0:1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNumber of pieces:\u003c\/strong\u003e Complete set (kit)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct description\u003c\/h3\u003e\n\u003cp\u003eThe PROX forged piston set is a complete set that contains all the necessary components for replacing the piston in the Yamaha YZ 450 engine. The forged construction means the piston offers improved durability and resistance to the high loads and temperatures encountered when operating a 4-stroke engine.\u003c\/p\u003e\n\n\u003cp\u003eThe precisely manufactured steel rings ensure a reliable seal of the combustion chamber and contribute to efficient combustion. The compression ratio of 13.0:1 is tailored to the requirements of the engine and supports optimal power development.\u003c\/p\u003e\n\n\u003cp\u003eThe use of this forged piston set is suitable for repairs or maintenance where the piston needs to be replaced. The standard size B ensures a precise fit without additional adjustments.\u003c\/p\u003e\n\n\u003cp\u003eOverall, the PROX forged piston set represents a technically sophisticated solution for replacing pistons on the Yamaha YZ 450 and meets the requirements for material quality and manufacturing precision.\u003c\/p\u003e\u003cstyle\u003e.motorize-fitment-summary{display:inline-flex!important;align-items:center!important;justify-content:center!important;gap:12px!important;padding:14px 18px!important;border:2px solid #ff6a00!important;border-radius:14px!important;background:#fff!important;color:#111!important;text-decoration:none!important;font-weight:700!important;font-size:18px!important;line-height:1!important;box-sizing:border-box!important;cursor:pointer!important;width:calc(100% + 10px)!important;max-width:calc(100% + 10px)!important;margin:14px 0 14px -10px!important;list-style:none!important;}.motorize-fitment-summary::-webkit-details-marker{display:none!important;}@media (max-width:749px){.motorize-fitment-summary{width:100%!important;max-width:100%!important;margin-left:0!important;}}\u003c\/style\u003e\u003cdetails\u003e\u003csummary class=\"motorize-fitment-summary\"\u003eShow suitable vehicles (1)\u003c\/summary\u003e\u003cdiv style=\"overflow-x:auto\"\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003cth\u003emodel\u003c\/th\u003e\n\u003cth\u003edisplacement\u003c\/th\u003e\n\u003cth\u003eYear of construction\u003c\/th\u003e\n\u003cth\u003eVariant\u003c\/th\u003e\n\u003cth\u003ecountry\u003c\/th\u003e\n\u003cth\u003eposition\u003c\/th\u003e\n\u003cth\u003eNote\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003eYAMAHA\u003c\/td\u003e\n\u003ctd\u003eYZ 450 F\u003c\/td\u003e\n\u003ctd\u003e449\u003c\/td\u003e\n\u003ctd\u003e2020\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eALL\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003c\/details\u003e","brand":"PEU","offers":[{"title":"Default Title","offer_id":57127330283846,"sku":"MGT1-PEU-16555-01-2450-B","price":221.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/4616\/8646\/files\/592ea14c76b219344ff2a3e2defc3ff7_600_9bbb7a1f-5c0e-41fd-b359-506d1eb766a4.webp?v=1786711361","url":"https:\/\/motorize.at\/en\/products\/yamaha-yz-450-prox-forged-piston-set-1","provider":"Motorize","version":"1.0","type":"link"}