{"product_id":"mgt1-pwb-39429-1093370003","title":"Yamaha YZ 450 F (CJ 21) [2016-2017] - forged pistons","description":"\u003ch2\u003ePROX forged pistons for Yamaha YZ 450 F (CJ 21)\u003c\/h2\u003e\u003cp\u003eThe PROX forged piston is designed for replacement on the engine of the Yamaha YZ 450 F (CJ 21) from the 2016-2017 model year range. Its production from forged aluminum combines the structural properties of a forged piston with equivalent original equipment manufacturer quality.\u003c\/p\u003e\u003ch3\u003eFunction and execution\u003c\/h3\u003e\u003cp\u003eA patented surface treatment helps reduce friction in the cylinder. The flat crown with raised top and 4 valve pockets is designed as a specific piston shape for the specified engine configuration. The default compression is 12.5:1.\u003c\/p\u003e\u003ch3\u003eTechnical data\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBrand: PROX\u003c\/li\u003e\n\u003cli\u003ePiston Type: Forged\u003c\/li\u003e\n\u003cli\u003eMaterial: aluminum\u003c\/li\u003e\n\u003cli\u003eDiameter: Ø 96.97 mm\u003c\/li\u003e\n\u003cli\u003eLetter oversize: C\u003c\/li\u003e\n\u003cli\u003eOversize: +0.02\u003c\/li\u003e\n\u003cli\u003ePiston compression: standard\u003c\/li\u003e\n\u003cli\u003ePiston rings: set\u003c\/li\u003e\n\u003cli\u003eCapacity-related version: 4T\u003c\/li\u003e\n\u003cli\u003ePiston shape: flat crown with raised top and 4 valve pockets\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eVehicle assignment\u003c\/h3\u003e\u003cp\u003eThe forged piston fits the Yamaha YZ 450 F (CJ 21), built between 2016 and 2017. The vehicle assignment refers to this model and this complete year range.\u003c\/p\u003e\u003ch3\u003eSelection note\u003c\/h3\u003e\u003cp\u003eThe diameter Ø 96.97 mm, the oversize letter C and the oversize specification +0.02 are particularly important for the selection. The technical engine parameters should be compared with the existing version before ordering.\u003c\/p\u003e","brand":"PWB","offers":[{"title":"Default Title","offer_id":57249307656518,"sku":"MGT1-PWB-39429-1093370003","price":258.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0871\/4616\/8646\/files\/1093370003-1_fffc4865-b6e3-4892-b02e-649648b86de4.jpg?v=1788418330","url":"https:\/\/motorize-shop.com\/products\/yamaha-yz-450-f-cj-21-2016-2017-forged-pistons-2","provider":"Motorize","version":"1.0","type":"link"}