{"product_id":"2518163-athena-piston-kit-for-yamaha-yz250-1999-2026-standard-size-a","title":"Athena Piston Kit For Yamaha YZ250 1999-2026 Standard Size A","description":"\u003cp\u003eThe \u003cstrong\u003eAthena Piston Kit For Yamaha YZ250 1999-2026 Standard Size A \u003c\/strong\u003e is part of the latest collection from Athena.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eHigh resistance to mechanical and thermal stresses\u003c\/li\u003e\n\u003cli\u003eHas been tested on engine dynamometer benches under progressive stress load, and thereafter on track to validate it performance even in the most extreme conditions\u003c\/li\u003e\n\u003cli\u003eEquipped with piston rings that guarantee less friction with the OE cylinder producing a higher performance\u003c\/li\u003e\n\u003cli\u003eMade by reverse extrusion\u003c\/li\u003e\n\u003cli\u003eFor OE cylinder.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eSpecifications:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBore Size: 66.34 mm\u003c\/li\u003e\n\u003cli\u003eCompression Ratio Imperial: Stock\u003c\/li\u003e\n\u003cli\u003eCompression Ratio: Stock\u003c\/li\u003e\n\u003cli\u003eDisplacement: 249 cc\u003c\/li\u003e\n\u003cli\u003eEngine Type: 2-Stroke\u003c\/li\u003e\n\u003cli\u003ePiston Head Shape: Domed\u003c\/li\u003e\n\u003cli\u003ePiston Material: 4032 Aluminum Alloy\u003c\/li\u003e\n\u003cli\u003ePiston Size: Standard Size A\u003c\/li\u003e\n\u003cli\u003eProduct Name: Piston Kit\u003c\/li\u003e\n\u003cli\u003eStyle: Forged Race\u003c\/li\u003e\n\u003cli\u003eType: A\u003c\/li\u003e\n\u003cli\u003eUnits: Kit\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eTo fit:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eYAMAHA YZ 250 X 2016  American Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250 X 2017  American Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250 X 2018  American Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250 X 2019  American Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250 X 2020  American Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250 X 2021  American Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250 X 2022  American Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250 X 2023  American Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250 X 2024  American Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250 X 2025  American Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250 X 2026  American Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250  1999  American Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250  1999  European Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250  2000  American Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250  2000  European Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250  2001  American Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250  2001  European Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250  2002  American Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250  2002  European Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250  2003  American Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250  2003  European Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250  2004  American Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250  2004  European Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250  2005  American Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250  2005  European Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250  2006  American Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250  2006  European Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250  2007  American Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250  2007  European Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250  2008  American Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250  2008  European Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250  2009  American Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250  2009  European Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250  2010  American Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250  2010  European Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250  2011  American Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250  2011  European Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250  2012  American Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250  2012  European Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250  2013  American Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250  2013  European Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250  2014  American Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250  2014  European Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250  2015  American Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250  2015  European Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250  2016  American Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250  2016  European Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250  2017  American Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250  2017  European Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250  2018  European Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250  2019  All Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250  2020  All Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250  2021  All Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250  2022 Monster Energy Racing Edition All Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250  2022  All Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250  2023 Monster Energy Racing Edition All Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250  2023  All Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250  2024 50th Anniversary Edition All Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250  2024  All Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250  2025  All Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250  2026 70th Anniversary Edition All Models\u003c\/li\u003e\n\u003cli\u003eYAMAHA YZ 250  2026  All Models\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eManufacturer part number: \u003c\/b\u003eS4F06640019A\u003c\/p\u003e\u003cp\u003eView all \u003cstrong\u003e\u003ca href=\"https:\/\/www.ghostbikes.com\/collections\/athena\"\u003eAthena\u003c\/a\u003e\u003c\/strong\u003e. View all \u003cstrong\u003e\u003ca href=\"https:\/\/www.ghostbikes.com\/collections\/parts-spares\"\u003eParts and spares\u003c\/a\u003e\u003c\/strong\u003e.\u003c\/p\u003e","brand":"Athena","offers":[{"title":"Default Title","offer_id":56454124372354,"sku":"2518163","price":143.06,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0861\/9452\/0351\/files\/120578_915x924_d15a207b-530d-400e-a858-3102628ad31b.jpg?v=1773059069","url":"https:\/\/www.ghostbikes.com\/products\/2518163-athena-piston-kit-for-yamaha-yz250-1999-2026-standard-size-a","provider":"Ghostbikes","version":"1.0","type":"link"}