{"product_id":"cylinder-full-kit-85mm-yamaha-yz-250f-24-25-athena-p400485100106-304cc-big-bore-piston-included","title":"CYLINDER FULL KIT 85mm YAMAHA YZ 250F 24-25, ATHENA P400485100106 304CC BIG BORE, (Piston included)","description":"\u003cp\u003eAthena big bore cylinder full kit (part reference P400485100106) for Yamaha YZ F 250 applications, increasing displacement via an 85 mm bore to 304 cc. Supplied with high-grade cylinder, forged piston with pin and rings, complete gasket set, and a pre-mapped GET Boost module that installs without ECU or wiring modifications to suit this configuration.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eBig bore cylinder kit Ø 85 mm, 304 cc to increase performance\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eCylinder manufactured from high-silicon aluminium alloy with an oversized steel liner\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eSteel liner fused using co-casting process for heat transfer and combustion sealing\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eForged piston, CNC-machined\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eMolybdenum disulphide piston coating to reduce friction\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eDLC-coated piston pin for hardness and durability\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003ePiston rings and pin included\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eComplete gasket set included\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eMLS head gasket, laser-cut stainless steel\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eGET Boost electronic module included, pre-calibrated for this kit\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eGET Boost installs without ECU or wiring modifications\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eDedicated harness connects to injector and throttle body\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003ePre-mapped to suit the new cylinder configuration\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003ePiston included\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eAthena part reference: P400485100106\u003c\/p\u003e\n\t\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eBore diameter: 85.00 mm\u003c\/p\u003e\n\t\u003c\/li\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eDisplacement: 304.00 cc\u003c\/p\u003e\n\t\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eVehicle Fitments\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e\n\t\u003cp\u003eYAMAHA YZ F 250 cc (2024–2025)\u003c\/p\u003e\n\t\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e \u003c\/p\u003e\n","brand":"Athena","offers":[{"title":"Default Title","offer_id":52893226795274,"sku":"56-k250.85.kit3","price":830.83,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0898\/2757\/4026\/files\/p400485100106.png?v=1776852848","url":"https:\/\/2bros-mx.com\/products\/cylinder-full-kit-85mm-yamaha-yz-250f-24-25-athena-p400485100106-304cc-big-bore-piston-included","provider":"2bros-mx.com","version":"1.0","type":"link"}