{"product_id":"athena-p5f0770212009a-top-end-piston-kit-for-yamaha-250-yz-f-2019-2023","title":"ATHENA P5F0770212009A Top End Piston Kit for Yamaha 250 YZ-F 2019–2023","description":"\u003cp data-start=\"0\" data-end=\"633\" class=\"PDq2pG_selectionAnchorContainer\"\u003eBreathe new life into your 4-stroke engine with Athena's Forged Top End Piston Kit. Engineered for riders who demand maximum performance and reliability, this complete rebuild kit combines a precision-forged piston with Athena's premium top-end gasket kit for a seamless installation and race-proven durability. Manufactured using a reverse extrusion forging process and precision CNC machining, the piston delivers exceptional strength, improved heat resistance, and consistent 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=\"635\" data-end=\"1166\"\u003e\n\u003cli data-section-id=\"1uhg29p\" data-start=\"635\" data-end=\"723\"\u003eComplete top-end rebuild kit featuring a forged 4-stroke piston and premium gasket set\u003c\/li\u003e\n\u003cli data-section-id=\"11izpqf\" data-start=\"724\" data-end=\"802\"\u003eReverse-extruded forged aluminum piston for superior strength and durability\u003c\/li\u003e\n\u003cli data-section-id=\"c3p98c\" data-start=\"803\" data-end=\"874\"\u003ePrecision CNC-machined for OEM-quality fit and dependable performance\u003c\/li\u003e\n\u003cli data-section-id=\"xpzjlk\" data-start=\"875\" data-end=\"974\"\u003ePremium Japanese piston rings with wear-resistant coatings reduce friction and extend engine life\u003c\/li\u003e\n\u003cli data-section-id=\"1l4sss3\" data-start=\"975\" data-end=\"1068\"\u003eOptimized piston design promotes efficient combustion and smooth, consistent power delivery\u003c\/li\u003e\n\u003cli data-section-id=\"1vwxt87\" data-start=\"1069\" data-end=\"1166\"\u003eAdvanced gasket materials provide reliable, leak-free sealing under demanding riding conditions\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp data-start=\"1168\" data-end=\"1181\"\u003e\u003cstrong data-start=\"1168\" data-end=\"1181\"\u003eIncludes:\u003c\/strong\u003e\u003c\/p\u003e\u003cul data-start=\"1183\" data-end=\"1292\"\u003e\n\u003cli data-section-id=\"16n0mx3\" data-start=\"1183\" data-end=\"1207\"\u003eForged 4-Stroke Piston\u003c\/li\u003e\n\u003cli data-section-id=\"1houaud\" data-start=\"1208\" data-end=\"1226\"\u003ePiston Rings (2)\u003c\/li\u003e\n\u003cli data-section-id=\"6aqmvn\" data-start=\"1227\" data-end=\"1251\"\u003ePiston Pin \/ Wrist Pin\u003c\/li\u003e\n\u003cli data-section-id=\"6wg6ph\" data-start=\"1252\" data-end=\"1262\"\u003eCirclips\u003c\/li\u003e\n\u003cli data-section-id=\"1j4tvgc\" data-start=\"1263\" data-end=\"1292\"\u003eComplete Top End Gasket Kit\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp data-start=\"1294\" data-end=\"1311\"\u003e\u003cbr\u003e\u003c\/p\u003e\u003cul data-start=\"1313\" data-end=\"1500\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"1ust4tn\" data-start=\"1313\" data-end=\"1335\"\u003ePiston Size: 76.95mm\u003c\/li\u003e\n\u003cli data-section-id=\"1ejhbhu\" data-start=\"1336\" data-end=\"1357\"\u003eDisplacement: 250cc\u003c\/li\u003e\n\u003cli data-section-id=\"1dex8rz\" data-start=\"1358\" data-end=\"1385\"\u003eCompression: 13.5:1\u003c\/li\u003e\n\u003cli data-section-id=\"8zn354\" data-start=\"1386\" data-end=\"1407\"\u003ePiston Type: Forged\u003c\/li\u003e\n\u003cli data-section-id=\"1ek3zvx\" data-start=\"1408\" data-end=\"1437\"\u003eCompression Height: 20.20mm\u003c\/li\u003e\n\u003cli data-section-id=\"afyesh\" data-start=\"1438\" data-end=\"1460\"\u003ePiston Pin: Standard\u003c\/li\u003e\n\u003cli data-section-id=\"1r1o7m7\" data-start=\"1461\" data-end=\"1500\" 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 P5F0770212009A Top End Piston Kit is designed for Yamaha 250 YZ-F models from 2019 through 2023. This replacement kit is identified for the top end of the engine and is sold as one unit.\u003c\/p\u003e\n\u003cp\u003eBuilt for application-specific service needs, this ATHENA piston kit provides a direct product reference for maintaining the top end of compatible Yamaha 250 YZ-F motorcycles. Verify the part number and 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\u003eBrand: ATHENA\u003c\/li\u003e\n\u003cli\u003ePart Number: P5F0770212009A\u003c\/li\u003e\n\u003cli\u003eProduct Type: Top end piston kit\u003c\/li\u003e\n\u003cli\u003eApplication: Yamaha 250 YZ-F\u003c\/li\u003e\n\u003cli\u003eModel Years: 2019–2023\u003c\/li\u003e\n\u003cli\u003eUnit of Measure: Each\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ATHENA","offers":[{"title":"Default Title","offer_id":68128511033529,"sku":"227251","price":234.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/2285\/8794\/files\/227251_1786049481.jpg?v=1793658284","url":"https:\/\/atticusgoods.com\/products\/athena-p5f0770212009a-top-end-piston-kit-for-yamaha-250-yz-f-2019-2023","provider":"Atticus Goods","version":"1.0","type":"link"}