{"product_id":"athena-p5f0770187009a-top-end-piston-kit-for-yamaha-250-wr-f-yz-f-2016-2018","title":"ATHENA P5F0770187009A Top End Piston Kit for Yamaha 250 WR-F \/ YZ-F 2016–2018","description":"\u003cp data-start=\"0\" data-end=\"600\" class=\"PDq2pG_selectionAnchorContainer\"\u003eBreathe new life into your 4-stroke enduro engine with Athena's Forged Top End Piston Kit. Engineered for serious riders, this complete rebuild kit combines a precision-forged piston with Athena's premium top-end gasket kit to deliver maximum performance, durability, and reliability. Manufactured using a reverse extrusion forging process and precision CNC machining, the piston offers exceptional strength, improved heat resistance, and smooth power delivery, while premium Japanese piston rings and Athena's advanced gasket technology provide a dependable seal for long-lasting engine performance.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\u003cul data-start=\"602\" data-end=\"1130\"\u003e\n\u003cli data-section-id=\"1uhg29p\" data-start=\"602\" data-end=\"690\"\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=\"691\" data-end=\"772\"\u003eReverse-extruded forged aluminum piston for exceptional strength and durability\u003c\/li\u003e\n\u003cli data-section-id=\"xk7ptc\" data-start=\"773\" data-end=\"842\"\u003ePrecision CNC-machined for OEM-quality fit and reliable performance\u003c\/li\u003e\n\u003cli data-section-id=\"xpzjlk\" data-start=\"843\" data-end=\"942\"\u003ePremium Japanese piston rings with wear-resistant coatings reduce friction and extend engine life\u003c\/li\u003e\n\u003cli data-section-id=\"i7wf9\" data-start=\"943\" data-end=\"1026\"\u003eOptimized piston design delivers efficient combustion and consistent power output\u003c\/li\u003e\n\u003cli data-section-id=\"19k6fkb\" data-start=\"1027\" data-end=\"1130\"\u003eHigh-quality gasket materials provide dependable, leak-free sealing under demanding riding conditions\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp data-start=\"1132\" data-end=\"1145\"\u003e\u003cstrong data-start=\"1132\" data-end=\"1145\"\u003eIncludes:\u003c\/strong\u003e\u003c\/p\u003e\u003cul data-start=\"1147\" data-end=\"1256\"\u003e\n\u003cli data-section-id=\"16n0mx3\" data-start=\"1147\" data-end=\"1171\"\u003eForged 4-Stroke Piston\u003c\/li\u003e\n\u003cli data-section-id=\"1houaud\" data-start=\"1172\" data-end=\"1190\"\u003ePiston Rings (2)\u003c\/li\u003e\n\u003cli data-section-id=\"6aqmvn\" data-start=\"1191\" data-end=\"1215\"\u003ePiston Pin \/ Wrist Pin\u003c\/li\u003e\n\u003cli data-section-id=\"6wg6ph\" data-start=\"1216\" data-end=\"1226\"\u003eCirclips\u003c\/li\u003e\n\u003cli data-section-id=\"1j4tvgc\" data-start=\"1227\" data-end=\"1256\"\u003eComplete Top End Gasket Kit\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp data-start=\"1258\" data-end=\"1275\"\u003e\u003cbr\u003e\u003c\/p\u003e\u003cul data-start=\"1277\" data-end=\"1493\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"1ust4tn\" data-start=\"1277\" data-end=\"1299\"\u003ePiston Size: 76.95mm\u003c\/li\u003e\n\u003cli data-section-id=\"1ejhbhu\" data-start=\"1300\" data-end=\"1321\"\u003eDisplacement: 250cc\u003c\/li\u003e\n\u003cli data-section-id=\"1dex8rz\" data-start=\"1322\" data-end=\"1349\"\u003eCompression: 13.5:1\u003c\/li\u003e\n\u003cli data-section-id=\"8zn354\" data-start=\"1350\" data-end=\"1371\"\u003ePiston Type: Forged\u003c\/li\u003e\n\u003cli data-section-id=\"1ek3zvx\" data-start=\"1401\" data-end=\"1430\"\u003eCompression Height: 20.20mm\u003c\/li\u003e\n\u003cli data-section-id=\"afyesh\" data-start=\"1431\" data-end=\"1453\"\u003ePiston Pin: Standard\u003c\/li\u003e\n\u003cli data-section-id=\"1r1o7m7\" data-start=\"1454\" data-end=\"1493\" data-is-last-node=\"\"\u003eBig End Pin Diameter: 16 x 9.5 x 38mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe ATHENA P5F0770187009A Top End Piston Kit is designed for Yamaha 250 WR-F and YZ-F models from 2016 through 2018. This kit provides a replacement piston assembly for the engine’s top end.\u003c\/p\u003e\n\u003cp\u003eManufactured by ATHENA, the kit is identified by part number P5F0770187009A and is supplied as one unit. Confirm the part number and motorcycle model year before ordering to help ensure the correct application.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eApplication: Yamaha 250 WR-F \/ YZ-F models from 2016–2018\u003c\/li\u003e\n\u003cli\u003eProduct Type: Top end piston kit\u003c\/li\u003e\n\u003cli\u003eBrand: ATHENA\u003c\/li\u003e\n\u003cli\u003ePart Number: P5F0770187009A\u003c\/li\u003e\n\u003cli\u003eUnit of Measure: Each\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATHENA","offers":[{"title":"Default Title","offer_id":68128513392825,"sku":"227249","price":226.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/2285\/8794\/files\/227249_1786049017.jpg?v=1793658292","url":"https:\/\/atticusgoods.com\/products\/athena-p5f0770187009a-top-end-piston-kit-for-yamaha-250-wr-f-yz-f-2016-2018","provider":"Atticus Goods","version":"1.0","type":"link"}