{"product_id":"athena-p5f0770187008a-top-end-piston-kit-for-yamaha-250-wr-f-yz-f-2014-2015","title":"ATHENA P5F0770187008A Top End Piston Kit for Yamaha 250 WR-F \/ YZ-F 2014–2015","description":"\u003cp data-start=\"0\" data-end=\"621\" class=\"PDq2pG_selectionAnchorContainer\"\u003eBreathe new life into your 4-stroke enduro engine with Athena's Forged Top End Piston Kit. Built for riders who demand peak performance and unwavering reliability, this complete rebuild kit pairs a precision-forged piston with Athena's premium top-end gasket kit for an easy installation and race-ready results. Manufactured using a reverse extrusion forging process and precision CNC machining, the piston delivers exceptional strength, superior heat resistance, and consistent power, while premium Japanese piston rings and Athena's advanced gasket technology ensure a dependable seal in the toughest riding conditions.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cul data-start=\"623\" data-end=\"1148\"\u003e\n\u003cli data-section-id=\"1uhg29p\" data-start=\"623\" data-end=\"711\"\u003eComplete top-end rebuild kit featuring a forged 4-stroke piston and premium gasket set\u003c\/li\u003e\n\u003cli data-section-id=\"52x6p4\" data-start=\"712\" data-end=\"793\"\u003eReverse-extruded forged aluminum piston for exceptional strength and durability\u003c\/li\u003e\n\u003cli data-section-id=\"1qz6urk\" data-start=\"794\" data-end=\"862\"\u003ePrecision CNC-machined for OEM-quality fit and maximum performance\u003c\/li\u003e\n\u003cli data-section-id=\"xpzjlk\" data-start=\"863\" data-end=\"962\"\u003ePremium Japanese piston rings with wear-resistant coatings reduce friction and extend engine life\u003c\/li\u003e\n\u003cli data-section-id=\"1fqpwk5\" data-start=\"963\" data-end=\"1060\"\u003eForged side relief skirt design improves stability, reduces wear, and promotes smooth operation\u003c\/li\u003e\n\u003cli data-section-id=\"11ncgm4\" data-start=\"1061\" data-end=\"1148\"\u003ePremium gasket materials provide reliable, leak-free sealing under extreme conditions\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp data-start=\"1150\" data-end=\"1163\"\u003e\u003cstrong data-start=\"1150\" data-end=\"1163\"\u003eIncludes:\u003c\/strong\u003e\u003c\/p\u003e\u003cul data-start=\"1165\" data-end=\"1274\"\u003e\n\u003cli data-section-id=\"16n0mx3\" data-start=\"1165\" data-end=\"1189\"\u003eForged 4-Stroke Piston\u003c\/li\u003e\n\u003cli data-section-id=\"1houaud\" data-start=\"1190\" data-end=\"1208\"\u003ePiston Rings (2)\u003c\/li\u003e\n\u003cli data-section-id=\"6aqmvn\" data-start=\"1209\" data-end=\"1233\"\u003ePiston Pin \/ Wrist Pin\u003c\/li\u003e\n\u003cli data-section-id=\"6wg6ph\" data-start=\"1234\" data-end=\"1244\"\u003eCirclips\u003c\/li\u003e\n\u003cli data-section-id=\"1j4tvgc\" data-start=\"1245\" data-end=\"1274\"\u003eComplete Top End Gasket Kit\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp data-start=\"1276\" data-end=\"1293\"\u003e\u003cbr\u003e\u003c\/p\u003e\u003cul data-start=\"1295\" data-end=\"1545\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"1ust7c8\" data-start=\"1295\" data-end=\"1317\"\u003ePiston Size: 76.96mm\u003c\/li\u003e\n\u003cli data-section-id=\"1ejhbhu\" data-start=\"1318\" data-end=\"1339\"\u003eDisplacement: 250cc\u003c\/li\u003e\n\u003cli data-section-id=\"1dex8rz\" data-start=\"1340\" data-end=\"1367\"\u003eCompression Ratio: 13.5:1\u003c\/li\u003e\n\u003cli data-section-id=\"8zn354\" data-start=\"1368\" data-end=\"1389\"\u003ePiston Type: Forged\u003c\/li\u003e\n\u003cli data-section-id=\"1qyo7ls\" data-start=\"1419\" data-end=\"1453\"\u003eSkirt Design: Forged Side Relief\u003c\/li\u003e\n\u003cli data-section-id=\"1ek2giz\" data-start=\"1454\" data-end=\"1483\"\u003eCompression Height: 20.40mm\u003c\/li\u003e\n\u003cli data-section-id=\"afyesh\" data-start=\"1484\" data-end=\"1506\"\u003ePiston Pin: Standard\u003c\/li\u003e\n\u003cli data-section-id=\"1ga46yp\" data-start=\"1507\" data-end=\"1545\" data-is-last-node=\"\"\u003eBig End Pin Diameter: 16 x 10 x 42mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe ATHENA P5F0770187008A Top End Piston Kit is designed for Yamaha 250 WR-F and YZ-F models from 2014 through 2015. It provides a replacement piston kit for top-end engine service on applicable motorcycles.\u003c\/p\u003e\n\u003cp\u003eBuilt for use with the specified Yamaha applications, this kit is identified by ATHENA part number P5F0770187008A. Confirm vehicle year, model, and engine requirements before ordering to help ensure the correct application.\u003c\/p\u003e\n\u003cp\u003eThis product is supplied as one complete unit. Refer to the manufacturer’s service information for installation procedures and any additional components or service requirements needed for the repair.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: ATHENA\u003c\/li\u003e\n\u003cli\u003ePart Number: P5F0770187008A\u003c\/li\u003e\n\u003cli\u003eProduct Type: Top end piston kit\u003c\/li\u003e\n\u003cli\u003eApplication: Yamaha 250 WR-F \/ YZ-F\u003c\/li\u003e\n\u003cli\u003eModel Years: 2014–2015\u003c\/li\u003e\n\u003cli\u003eUnit of Measure: Each\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATHENA","offers":[{"title":"Default Title","offer_id":68128515686585,"sku":"227247","price":226.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/2285\/8794\/files\/227247_1786046324.jpg?v=1793658301","url":"https:\/\/atticusgoods.com\/products\/athena-p5f0770187008a-top-end-piston-kit-for-yamaha-250-wr-f-yz-f-2014-2015","provider":"Atticus Goods","version":"1.0","type":"link"}