{"product_id":"1c3-11311-21-00-54mm-cylinder-top-end-piston-kit-for-yamaha-yz125-2005-2021","title":"1C3-11311-21-00 54mm Cylinder Top End Piston Kit for Yamaha YZ125 2005-2021","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\u003cp\u003eThis aftermarket replacement cylinder top end piston kit is intended for the listed Yamaha YZ125 2005-2021 applications and cross-references part number 1C3-11311-21-00. A cylinder top end piston kit supplies the piston and top-end components needed when servicing the upper portion of a two-stroke engine cylinder assembly. The 54mm bore size is stated in the title for reference during fitment checks.\u003c\/p\u003e\u003ch3\u003eKey Features \u0026amp; Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eProvides a 54mm bore piston kit for top end service on the listed two-stroke engine applications.\u003c\/li\u003e\n\u003cli\u003eCross-references part number 1C3-11311-21-00 for comparison with the existing component.\u003c\/li\u003e\n\u003cli\u003eIntended for the Yamaha YZ125 2005-2021 range as stated in the title.\u003c\/li\u003e\n\u003cli\u003eUsed when the piston and related top end parts require replacement during engine service.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cul\u003e\u003cli\u003efor Yamaha YZ125 2005-2021 applications\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eCommon Uses\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eReplacing a worn top end piston assembly during engine service.\u003c\/li\u003e\n\u003cli\u003eServicing the upper cylinder area after the existing piston or related components become damaged.\u003c\/li\u003e\n\u003cli\u003eRestoring the normal function of the top end assembly after the original piston components have failed.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Cylinder top end piston kit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 1C3-11311-21-00\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBore Size:\u003c\/strong\u003e 54mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel Application(s):\u003c\/strong\u003e Yamaha YZ125 2005-2021\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGeneral Application:\u003c\/strong\u003e Two-stroke top end service\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e What does a cylinder top end piston kit do? \u003cstrong\u003eA:\u003c\/strong\u003e It provides the piston and top end components used when servicing the upper cylinder assembly of a two-stroke engine.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e How should fitment be verified? \u003cstrong\u003eA:\u003c\/strong\u003e Compare the existing part number with 1C3-11311-21-00 and confirm the complete equipment model designation and bore size before purchase.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eThis is an aftermarket replacement part and is not represented as genuine or original equipment. Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number, model year, or existing part number. Verify fitment before purchase.\u003c\/em\u003e\u003c\/p\u003e","brand":"DURAFORCE","offers":[{"title":"Default Title","offer_id":67604997931281,"sku":"ZZ3M02209","price":344.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/2446\/2929\/files\/s-l1600_4533bd88-9ee1-4b95-a14b-df995174a5bb.jpg?v=1790776008","url":"https:\/\/www.duraforce.com\/products\/1c3-11311-21-00-54mm-cylinder-top-end-piston-kit-for-yamaha-yz125-2005-2021","provider":"DURAFORCE","version":"1.0","type":"link"}